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157050612021 = 371737326817
BaseRepresentation
bin1001001001000011110…
…0100010100100110101
3120000101010102201022010
42102100330202210311
510033114424041041
6200051551354433
714226601114302
oct2222074424465
9500333381263
10157050612021
1160671a81336
122652bb22a19
1311a6b1c6234
14785bd240a9
154142a94a16
hex2490f22935

157050612021 has 8 divisors (see below), whose sum is σ = 212350123584. Its totient is φ = 103225754240.

The previous prime is 157050611999. The next prime is 157050612029. The reversal of 157050612021 is 120216050751.

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

It is a cyclic number.

It is not a de Polignac number, because 157050612021 - 217 = 157050480949 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 157050612021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157050612029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 368663196 + ... + 368663621.

It is an arithmetic number, because the mean of its divisors is an integer number (26543765448).

Almost surely, 2157050612021 is an apocalyptic number.

It is an amenable number.

157050612021 is a deficient number, since it is larger than the sum of its proper divisors (55299511563).

157050612021 is an equidigital number, since it uses as much as digits as its factorization.

157050612021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 737326891.

The product of its (nonzero) digits is 4200, while the sum is 30.

Adding to 157050612021 its reverse (120216050751), we get a palindrome (277266662772).

The spelling of 157050612021 in words is "one hundred fifty-seven billion, fifty million, six hundred twelve thousand, twenty-one".

Divisors: 1 3 71 213 737326817 2211980451 52350204007 157050612021