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149816838168 = 2333875379241
BaseRepresentation
bin1000101110000111000…
…1111000100000011000
3112022200222210221002000
42023201301320200120
54423311102310133
6152454102441000
713552413053514
oct2134161704030
9468628727060
10149816838168
115859a776a38
1225051433160
131118763c38a
147373313144
153d6c99e413
hex22e1c78818

149816838168 has 64 divisors (see below), whose sum is σ = 416210680800. Its totient is φ = 49932610560.

The previous prime is 149816838163. The next prime is 149816838181. The reversal of 149816838168 is 861838618941.

149816838168 is a `hidden beast` number, since 1 + 4 + 98 + 168 + 381 + 6 + 8 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149816838163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1851028 + ... + 1930268.

Almost surely, 2149816838168 is an apocalyptic number.

149816838168 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

149816838168 is an abundant number, since it is smaller than the sum of its proper divisors (266393842632).

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

149816838168 is a wasteful number, since it uses less digits than its factorization.

149816838168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88009 (or 87999 counting only the distinct ones).

The product of its digits is 15925248, while the sum is 63.

The spelling of 149816838168 in words is "one hundred forty-nine billion, eight hundred sixteen million, eight hundred thirty-eight thousand, one hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 54 72 108 216 8753 17506 26259 35012 52518 70024 78777 79241 105036 157554 158482 210072 236331 237723 315108 316964 472662 475446 630216 633928 713169 945324 950892 1426338 1890648 1901784 2139507 2852676 4279014 5705352 8558028 17116056 693596473 1387192946 2080789419 2774385892 4161578838 5548771784 6242368257 8323157676 12484736514 16646315352 18727104771 24969473028 37454209542 49938946056 74908419084 149816838168