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70708008387 = 3175212661097
BaseRepresentation
bin100000111011010000…
…1101001010111000011
320202111202120222210110
41001312201221113003
52124302222232022
652252142002403
75052132104022
oct1016641512703
9222452528713
1070708008387
1127a94911275
1211853b76403
13688b02bc23
1435caa768b9
151c8c86600c
hex10768695c3

70708008387 has 16 divisors (see below), whose sum is σ = 100014707232. Its totient is φ = 44280637440.

The previous prime is 70708008377. The next prime is 70708008389. The reversal of 70708008387 is 78380080707.

It is a de Polignac number, because none of the positive numbers 2k-70708008387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70708008389) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1303978 + ... + 1357119.

It is an arithmetic number, because the mean of its divisors is an integer number (6250919202).

Almost surely, 270708008387 is an apocalyptic number.

70708008387 is a deficient number, since it is larger than the sum of its proper divisors (29306698845).

70708008387 is a wasteful number, since it uses less digits than its factorization.

70708008387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2661638.

The product of its (nonzero) digits is 526848, while the sum is 48.

The spelling of 70708008387 in words is "seventy billion, seven hundred eight million, eight thousand, three hundred eighty-seven".

Divisors: 1 3 17 51 521 1563 8857 26571 2661097 7983291 45238649 135715947 1386431537 4159294611 23569336129 70708008387