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70695238956 = 22317246743651
BaseRepresentation
bin100000111010111000…
…0111011110100101100
320202110212120020102120
41001311300323310230
52124240440121311
652251004152540
75051615421246
oct1016560736454
9222425506376
1070695238956
1127a8868a421
121184b838750
1368884aa954
1435c90b1096
151c8b692706
hex1075c3bd2c

70695238956 has 72 divisors (see below), whose sum is σ = 175608853056. Its totient is φ = 22130899200.

The previous prime is 70695238937. The next prime is 70695238967. The reversal of 70695238956 is 65983259607.

It is a super-2 number, since 2×706952389562 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 70695238956.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1597731 + ... + 1641381.

It is an arithmetic number, because the mean of its divisors is an integer number (2439011848).

Almost surely, 270695238956 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 70695238956, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87804426528).

70695238956 is an abundant number, since it is smaller than the sum of its proper divisors (104913614100).

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

70695238956 is a wasteful number, since it uses less digits than its factorization.

70695238956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44159 (or 44140 counting only the distinct ones).

The product of its (nonzero) digits is 24494400, while the sum is 60.

The spelling of 70695238956 in words is "seventy billion, six hundred ninety-five million, two hundred thirty-eight thousand, nine hundred fifty-six".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 204 289 467 578 867 934 1156 1401 1734 1868 2802 3468 5604 7939 15878 23817 31756 43651 47634 87302 95268 130953 134963 174604 261906 269926 404889 523812 539852 742067 809778 1484134 1619556 2226201 2968268 4452402 8904804 12615139 20385017 25230278 37845417 40770034 50460556 61155051 75690834 81540068 122310102 151381668 244620204 346545289 693090578 1039635867 1386181156 2079271734 4158543468 5891269913 11782539826 17673809739 23565079652 35347619478 70695238956