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157286971464 = 233717219170503
BaseRepresentation
bin1001001001111100001…
…0001011100001001000
3120000222121012000111120
42102133002023201020
510034110431041324
6200131233355240
714235501125010
oct2223702134110
9500877160446
10157286971464
1160783438717
1226597108b20
1311aa8170cac
14788148cc40
1541586d2179
hex249f08b848

157286971464 has 192 divisors, whose sum is σ = 502509388800. Its totient is φ = 40069334016.

The previous prime is 157286971453. The next prime is 157286971493. The reversal of 157286971464 is 464179682751.

It is a junction number, because it is equal to n+sod(n) for n = 157286971398 and 157286971407.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 837237 + ... + 1007739.

It is an arithmetic number, because the mean of its divisors is an integer number (2617236400).

Almost surely, 2157286971464 is an apocalyptic number.

157286971464 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 157286971464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (251254694400).

157286971464 is an abundant number, since it is smaller than the sum of its proper divisors (345222417336).

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

157286971464 is a wasteful number, since it uses less digits than its factorization.

157286971464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170572 (or 170551 counting only the distinct ones).

The product of its digits is 20321280, while the sum is 60.

The spelling of 157286971464 in words is "one hundred fifty-seven billion, two hundred eighty-six million, nine hundred seventy-one thousand, four hundred sixty-four".