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157132503465 = 357330540817
BaseRepresentation
bin1001001001010111010…
…0111011100110101001
3120000120211112020020120
42102111310323212221
510033301410102330
6200104034513453
714231614146000
oct2222564734651
9500524466216
10157132503465
1160704224613
1226553435889
1311a82169502
147868b5dc37
154149d6dc10
hex2495d3b9a9

157132503465 has 32 divisors (see below), whose sum is σ = 293191852800. Its totient is φ = 71831999232.

The previous prime is 157132503427. The next prime is 157132503467. The reversal of 157132503465 is 564305231751.

It is not a de Polignac number, because 157132503465 - 26 = 157132503401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (157132503467) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15265264 + ... + 15275553.

It is an arithmetic number, because the mean of its divisors is an integer number (9162245400).

Almost surely, 2157132503465 is an apocalyptic number.

157132503465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

157132503465 is a deficient number, since it is larger than the sum of its proper divisors (136059349335).

157132503465 is an equidigital number, since it uses as much as digits as its factorization.

157132503465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30540846 (or 30540832 counting only the distinct ones).

The product of its (nonzero) digits is 378000, while the sum is 42.

The spelling of 157132503465 in words is "one hundred fifty-seven billion, one hundred thirty-two million, five hundred three thousand, four hundred sixty-five".

Divisors: 1 3 5 7 15 21 35 49 105 147 245 343 735 1029 1715 5145 30540817 91622451 152704085 213785719 458112255 641357157 1068928595 1496500033 3206785785 4489500099 7482500165 10475500231 22447500495 31426500693 52377501155 157132503465