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70684823031 = 373373865313
BaseRepresentation
bin100000111010100100…
…1001100110111110111
320202110010222001110120
41001311021030313313
52124230303314111
652245553023023
75051431040154
oct1016511146767
9222403861416
1070684823031
1127a82815819
1211848254a73
1368862a1994
1435c795d22b
151c8a7d6406
hex107524cdf7

70684823031 has 16 divisors (see below), whose sum is σ = 95793721056. Its totient is φ = 46353033216.

The previous prime is 70684822997. The next prime is 70684823063. The reversal of 70684823031 is 13032848607.

It is not a de Polignac number, because 70684823031 - 210 = 70684822007 is a prime.

It is a super-2 number, since 2×706848230312 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70684823081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 350970 + ... + 514343.

It is an arithmetic number, because the mean of its divisors is an integer number (5987107566).

Almost surely, 270684823031 is an apocalyptic number.

70684823031 is a deficient number, since it is larger than the sum of its proper divisors (25108898025).

70684823031 is a wasteful number, since it uses less digits than its factorization.

70684823031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 865762.

The product of its (nonzero) digits is 193536, while the sum is 42.

The spelling of 70684823031 in words is "seventy billion, six hundred eighty-four million, eight hundred twenty-three thousand, thirty-one".

Divisors: 1 3 73 219 373 1119 27229 81687 865313 2595939 63167849 189503547 322761749 968285247 23561607677 70684823031