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157132321548 = 22343476479149
BaseRepresentation
bin1001001001010111010…
…0001111001100001100
3120000120211011222200220
42102111310033030030
510033301333242143
6200104030551340
714231612460426
oct2222564171414
9500524158626
10157132321548
116070410a974
1226553368550
1311a82104777
147868b13816
154149d34d83
hex2495d0f30c

157132321548 has 48 divisors (see below), whose sum is σ = 383151014400. Its totient is φ = 50070855744.

The previous prime is 157132321469. The next prime is 157132321559. The reversal of 157132321548 is 845123231751.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3215323 + ... + 3263826.

It is an arithmetic number, because the mean of its divisors is an integer number (7982312800).

Almost surely, 2157132321548 is an apocalyptic number.

It is an amenable number.

157132321548 is an abundant number, since it is smaller than the sum of its proper divisors (226018692852).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

157132321548 is a wasteful number, since it uses less digits than its factorization.

157132321548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6479246 (or 6479244 counting only the distinct ones).

The product of its digits is 201600, while the sum is 42.

The spelling of 157132321548 in words is "one hundred fifty-seven billion, one hundred thirty-two million, three hundred twenty-one thousand, five hundred forty-eight".

Divisors: 1 2 3 4 6 12 43 47 86 94 129 141 172 188 258 282 516 564 2021 4042 6063 8084 12126 24252 6479149 12958298 19437447 25916596 38874894 77749788 278603407 304520003 557206814 609040006 835810221 913560009 1114413628 1218080012 1671620442 1827120018 3343240884 3654240036 13094360129 26188720258 39283080387 52377440516 78566160774 157132321548