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157107061520155 = 5133399123554441
BaseRepresentation
bin100011101110001101010110…
…100101111111011100011011
3202121021021210020120111122001
4203232031112211333130123
5131043020230222121110
61314045553201341431
745043416305006455
oct4356152645773433
9677237706514561
10157107061520155
114607180450127a
1215754499037877
136988194969a66
142ab20454852d5
151326aadc8563a
hex8ee35697f71b

157107061520155 has 8 divisors (see below), whose sum is σ = 188528623154784. Its totient is φ = 125685549662400.

The previous prime is 157107061520131. The next prime is 157107061520197. The reversal of 157107061520155 is 551025160701751.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-157107061520155 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5107266 + ... + 18447175.

It is an arithmetic number, because the mean of its divisors is an integer number (23566077894348).

Almost surely, 2157107061520155 is an apocalyptic number.

157107061520155 is a deficient number, since it is larger than the sum of its proper divisors (31421561634629).

157107061520155 is a wasteful number, since it uses less digits than its factorization.

157107061520155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24888437.

The product of its (nonzero) digits is 367500, while the sum is 46.

The spelling of 157107061520155 in words is "one hundred fifty-seven trillion, one hundred seven billion, sixty-one million, five hundred twenty thousand, one hundred fifty-five".

Divisors: 1 5 1333991 6669955 23554441 117772205 31421412304031 157107061520155