Search a number
-
+
154928632320 = 29325711217467
BaseRepresentation
bin1001000001001001110…
…1110101001000000000
3112210220020112222101100
42100102131311020000
510014243212213240
6155101230134400
714123163434460
oct2202235651000
9483806488340
10154928632320
115a7831a0600
1226039351400
13117c06b0b47
1476da195ba0
15406b639e30
hex2412775200

154928632320 has 1440 divisors, whose sum is σ = 715204473984. Its totient is φ = 30234378240.

The previous prime is 154928632319. The next prime is 154928632343. The reversal of 154928632320 is 23236829451.

154928632320 is a `hidden beast` number, since 1 + 5 + 4 + 9 + 2 + 8 + 632 + 3 + 2 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1440).

It is a super-2 number, since 2×1549286323202 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 331752727 + ... + 331753193.

Almost surely, 2154928632320 is an apocalyptic number.

154928632320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 154928632320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (357602236992).

154928632320 is an abundant number, since it is smaller than the sum of its proper divisors (560275841664).

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

154928632320 is a wasteful number, since it uses less digits than its factorization.

154928632320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542 (or 512 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The spelling of 154928632320 in words is "one hundred fifty-four billion, nine hundred twenty-eight million, six hundred thirty-two thousand, three hundred twenty".