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30442432134 = 23174347592503
BaseRepresentation
bin11100010110100000…
…101010011010000110
32220120120210210011110
4130112200222122012
5444321230312014
621552434545450
72125251255312
oct342640523206
986516723143
1030442432134
1111a01a60924
125a97138286
132b41c4226a
14168b0d6b42
15bd28bed59
hex71682a686

30442432134 has 128 divisors (see below), whose sum is σ = 68538286080. Its totient is φ = 8971651584.

The previous prime is 30442432123. The next prime is 30442432147. The reversal of 30442432134 is 43123424403.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12161127 + ... + 12163629.

It is an arithmetic number, because the mean of its divisors is an integer number (535455360).

Almost surely, 230442432134 is an apocalyptic number.

30442432134 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

30442432134 is an abundant number, since it is smaller than the sum of its proper divisors (38095853946).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30442432134 is a wasteful number, since it uses less digits than its factorization.

30442432134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2674.

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 30442432134 its reverse (43123424403), we get a palindrome (73565856537).

The spelling of 30442432134 in words is "thirty billion, four hundred forty-two million, four hundred thirty-two thousand, one hundred thirty-four".

Divisors: 1 2 3 6 17 34 43 47 51 59 86 94 102 118 129 141 177 258 282 354 731 799 1003 1462 1598 2006 2021 2193 2397 2503 2537 2773 3009 4042 4386 4794 5006 5074 5546 6018 6063 7509 7611 8319 12126 15018 15222 16638 34357 42551 43129 47141 68714 85102 86258 94282 103071 107629 117641 119239 127653 129387 141423 147677 206142 215258 235282 238478 255306 258774 282846 295354 322887 352923 357717 443031 645774 705846 715434 886062 1829693 1999897 2027063 2510509 3659386 3999794 4054126 5021018 5058563 5489079 5999691 6081189 6350111 6940819 7531527 10117126 10978158 11999382 12162378 12700222 13881638 15063054 15175689 19050333 20822457 30351378 38100666 41644914 85995571 107951887 117993923 171991142 215903774 235987846 257986713 298455217 323855661 353981769 515973426 596910434 647711322 707963538 895365651 1790731302 5073738689 10147477378 15221216067 30442432134