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30551455305111 = 3132634517659419
BaseRepresentation
bin1101111001001010100001…
…01001000000110110010111
311000011200122110010210122210
412330211100221000312113
513001023340024230421
6144551051140124503
76302161354215426
oct674452051006627
9130150573123583
1030551455305111
1198098880548a4
1235150b0696733
131407cb39a0510
147789ac2cb2bd
1537eaa7e1d576
hex1bc950a40d97

30551455305111 has 32 divisors (see below), whose sum is σ = 44045373335040. Its totient is φ = 18725234454144.

The previous prime is 30551455305079. The next prime is 30551455305143. The reversal of 30551455305111 is 11150355415503.

It is an interprime number because it is at equal distance from previous prime (30551455305079) and next prime (30551455305143).

It is not a de Polignac number, because 30551455305111 - 25 = 30551455305079 is a prime.

It is a super-2 number, since 2×305514553051112 (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 30551455305111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30551455305211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46001160 + ... + 46660578.

It is an arithmetic number, because the mean of its divisors is an integer number (1376417916720).

Almost surely, 230551455305111 is an apocalyptic number.

30551455305111 is a deficient number, since it is larger than the sum of its proper divisors (13493918029929).

30551455305111 is a wasteful number, since it uses less digits than its factorization.

30551455305111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664215.

The product of its (nonzero) digits is 112500, while the sum is 39.

The spelling of 30551455305111 in words is "thirty trillion, five hundred fifty-one billion, four hundred fifty-five million, three hundred five thousand, one hundred eleven".

Divisors: 1 3 13 39 263 789 3419 4517 10257 13551 58721 176163 659419 1187971 1978257 3563913 8572447 15443623 25717341 46330869 173427197 520281591 2254553561 2978595623 6763660683 8935786869 38721743099 116165229297 783370648849 2350111946547 10183818435037 30551455305111