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157508971876 = 221984372
BaseRepresentation
bin1001001010110001000…
…1000010110101100100
3120001120001220210211001
42102230101002311210
510040034244100001
6200205243523044
714244135112354
oct2225421026544
9501501823731
10157508971876
1160887787933
1226639529484
1311b1215c099
1478a2b5ab64
15416ce35001
hex24ac442d64

157508971876 has 9 divisors (see below), whose sum is σ = 275642089849. Its totient is φ = 78754089064.

The previous prime is 157508971849. The next prime is 157508971901. The reversal of 157508971876 is 678179805751.

The square root of 157508971876 is 396874.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 60678468900 + 96830502976 = 246330^2 + 311176^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 694530 + ... + 892966.

Almost surely, 2157508971876 is an apocalyptic number.

157508971876 is the 396874-th square number.

It is an amenable number.

157508971876 is a deficient number, since it is larger than the sum of its proper divisors (118133117973).

157508971876 is an frugal number, since it uses more digits than its factorization.

157508971876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396878 (or 198439 counting only the distinct ones).

The product of its (nonzero) digits is 29635200, while the sum is 64.

Multiplying 157508971876 by its sum of digits (64), we get a square (10080574200064 = 31749922).

The spelling of 157508971876 in words is "one hundred fifty-seven billion, five hundred eight million, nine hundred seventy-one thousand, eight hundred seventy-six".

Divisors: 1 2 4 198437 396874 793748 39377242969 78754485938 157508971876