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70457573838 = 2315597532347
BaseRepresentation
bin100000110011110011…
…0010100000111001110
320201212022100121011210
41001213212110013032
52123244114330323
652211234155250
75043001332111
oct1014746240716
9221768317153
1070457573838
1127976511073
12117a4122b26
13684b1967c2
1435a56c6578
151c75898293
hex10679941ce

70457573838 has 16 divisors (see below), whose sum is σ = 141005554560. Its totient is φ = 23470790136.

The previous prime is 70457573801. The next prime is 70457573863. The reversal of 70457573838 is 83837575407.

It is a super-2 number, since 2×704575738382 (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 3756820 + ... + 3775527.

It is an arithmetic number, because the mean of its divisors is an integer number (8812847160).

Almost surely, 270457573838 is an apocalyptic number.

70457573838 is an abundant number, since it is smaller than the sum of its proper divisors (70547980722).

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

70457573838 is a wasteful number, since it uses less digits than its factorization.

70457573838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7533911.

The product of its (nonzero) digits is 19756800, while the sum is 57.

The spelling of 70457573838 in words is "seventy billion, four hundred fifty-seven million, five hundred seventy-three thousand, eight hundred thirty-eight".

Divisors: 1 2 3 6 1559 3118 4677 9354 7532347 15064694 22597041 45194082 11742928973 23485857946 35228786919 70457573838