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57703373738 = 228851686869
BaseRepresentation
bin110101101111011000…
…111001101110101010
312111221110002002210022
4311233120321232222
51421134030424423
642301503320442
74111641404213
oct655730715652
9174843062708
1057703373738
112252106082a
12b2248b0122
1355979c683a
142b1586240a
15177aceadc8
hexd6f639baa

57703373738 has 4 divisors (see below), whose sum is σ = 86555060610. Its totient is φ = 28851686868.

The previous prime is 57703373731. The next prime is 57703373803. The reversal of 57703373738 is 83737330775.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 56778788089 + 924585649 = 238283^2 + 30407^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 57703373738.

It is not an unprimeable number, because it can be changed into a prime (57703373731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14425843433 + ... + 14425843436.

Almost surely, 257703373738 is an apocalyptic number.

57703373738 is a deficient number, since it is larger than the sum of its proper divisors (28851686872).

57703373738 is a wasteful number, since it uses less digits than its factorization.

57703373738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28851686871.

The product of its (nonzero) digits is 7779240, while the sum is 53.

The spelling of 57703373738 in words is "fifty-seven billion, seven hundred three million, three hundred seventy-three thousand, seven hundred thirty-eight".

Divisors: 1 2 28851686869 57703373738