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57376623780 = 22345730716481
BaseRepresentation
bin110101011011111010…
…011100110010100100
312111002200020111010000
4311123322130302210
51420001403430110
642205232101300
74100563153350
oct653372346244
9174080214100
1057376623780
1122373676743
12b153394830
1355450c1178
142ac42c8460
15175c2a61c0
hexd5be9cca4

57376623780 has 240 divisors, whose sum is σ = 206388395136. Its totient is φ = 13071144960.

The previous prime is 57376623779. The next prime is 57376623781. The reversal of 57376623780 is 8732667375.

57376623780 is a `hidden beast` number, since 5 + 7 + 3 + 7 + 6 + 623 + 7 + 8 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (57376623779) and next prime (57376623781).

It is a super-2 number, since 2×573766237802 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (57376623781) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 3473140 + ... + 3489620.

Almost surely, 257376623780 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57376623780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103194197568).

57376623780 is an abundant number, since it is smaller than the sum of its proper divisors (149011771356).

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

57376623780 is a wasteful number, since it uses less digits than its factorization.

57376623780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16816 (or 16805 counting only the distinct ones).

The product of its (nonzero) digits is 8890560, while the sum is 54.

The spelling of 57376623780 in words is "fifty-seven billion, three hundred seventy-six million, six hundred twenty-three thousand, seven hundred eighty".