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157430066757 = 389635854813
BaseRepresentation
bin1001001010011110010…
…0000010111001000101
3120001100120110000100020
42102213210002321011
510034404044114012
6200153344405353
714242156326315
oct2224744027105
9501316400306
10157430066757
1160847194297
1226617016859
1311acb9c3172
14789649b445
15416604aa8c
hex24a7902e45

157430066757 has 8 divisors (see below), whose sum is σ = 209930210784. Its totient is φ = 104941650288.

The previous prime is 157430066741. The next prime is 157430066789. The reversal of 157430066757 is 757660034751.

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

It is not a de Polignac number, because 157430066757 - 24 = 157430066741 is a prime.

It is a super-2 number, since 2×1574300667572 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157430066257) 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, 2900518 + ... + 2954295.

It is an arithmetic number, because the mean of its divisors is an integer number (26241276348).

Almost surely, 2157430066757 is an apocalyptic number.

It is an amenable number.

157430066757 is a deficient number, since it is larger than the sum of its proper divisors (52500144027).

157430066757 is an equidigital number, since it uses as much as digits as its factorization.

157430066757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5863779.

The product of its (nonzero) digits is 3704400, while the sum is 51.

The spelling of 157430066757 in words is "one hundred fifty-seven billion, four hundred thirty million, sixty-six thousand, seven hundred fifty-seven".

Divisors: 1 3 8963 26889 5854813 17564439 52476688919 157430066757