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151229969881 = 19131571110639
BaseRepresentation
bin1000110011011000000…
…0100011010111011001
3112110100110212110100121
42030312000203113121
54434204333014011
6153250223033241
713632422351164
oct2146600432731
9473313773317
10151229969881
1159155414791
122538673b821
1311351337ca3
147468c82adb
153e01a89e71
hex23360235d9

151229969881 has 16 divisors (see below), whose sum is σ = 160447795200. Its totient is φ = 142138573200.

The previous prime is 151229969873. The next prime is 151229969903. The reversal of 151229969881 is 188969922151.

It is a cyclic number.

It is not a de Polignac number, because 151229969881 - 23 = 151229969873 is a prime.

It is a super-2 number, since 2×1512299698812 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (151229969831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14209360 + ... + 14219998.

It is an arithmetic number, because the mean of its divisors is an integer number (10027987200).

Almost surely, 2151229969881 is an apocalyptic number.

It is an amenable number.

151229969881 is a deficient number, since it is larger than the sum of its proper divisors (9217825319).

151229969881 is a wasteful number, since it uses less digits than its factorization.

151229969881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16500.

The product of its digits is 5598720, while the sum is 61.

The spelling of 151229969881 in words is "one hundred fifty-one billion, two hundred twenty-nine million, nine hundred sixty-nine thousand, eight hundred eighty-one".

Divisors: 1 19 131 2489 5711 10639 108509 202141 748141 1393709 14214679 26480471 60759329 1154427251 7959472099 151229969881