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149757064977 = 31314925771307
BaseRepresentation
bin1000101101111000110…
…1110111011100010001
3112022112211100010200010
42023132031313130101
54423200302034402
6152444125345133
713551056022612
oct2133615673421
9468484303603
10149757064977
1158569a60503
12250354081a9
1311178141720
1473693d3c09
153d675e3a6c
hex22de377711

149757064977 has 16 divisors (see below), whose sum is σ = 216478987200. Its totient is φ = 91539678912.

The previous prime is 149757064949. The next prime is 149757064979. The reversal of 149757064977 is 779460757941.

It is not a de Polignac number, because 149757064977 - 226 = 149689956113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (149757064979) 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, 12879843 + ... + 12891464.

It is an arithmetic number, because the mean of its divisors is an integer number (13529936700).

Almost surely, 2149757064977 is an apocalyptic number.

It is an amenable number.

149757064977 is a deficient number, since it is larger than the sum of its proper divisors (66721922223).

149757064977 is a wasteful number, since it uses less digits than its factorization.

149757064977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25771472.

The product of its (nonzero) digits is 93350880, while the sum is 66.

The spelling of 149757064977 in words is "one hundred forty-nine billion, seven hundred fifty-seven million, sixty-four thousand, nine hundred seventy-seven".

Divisors: 1 3 13 39 149 447 1937 5811 25771307 77313921 335026991 1005080973 3839924743 11519774229 49919021659 149757064977