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379655520690 = 23519666062317
BaseRepresentation
bin1011000011001010011…
…10111000000110110010
31100021221211211201222010
411201211032320012302
522210013303130230
6450224503223350
736300134452155
oct5414516700662
91307854751863
10379655520690
11137013709a36
12616b5a47b56
1329a557912c4
1414538249c9c
159d207d49b0
hex58653b81b2

379655520690 has 32 divisors (see below), whose sum is σ = 959129737920. Its totient is φ = 95912973504.

The previous prime is 379655520667. The next prime is 379655520701. The reversal of 379655520690 is 96025556973.

It is a super-2 number, since 2×3796555206902 (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a self number, because there is not a number n which added to its sum of digits gives 379655520690.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 333030589 + ... + 333031728.

It is an arithmetic number, because the mean of its divisors is an integer number (29972804310).

Almost surely, 2379655520690 is an apocalyptic number.

379655520690 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

379655520690 is an abundant number, since it is smaller than the sum of its proper divisors (579474217230).

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

379655520690 is a wasteful number, since it uses less digits than its factorization.

379655520690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666062346.

The product of its (nonzero) digits is 15309000, while the sum is 57.

The spelling of 379655520690 in words is "three hundred seventy-nine billion, six hundred fifty-five million, five hundred twenty thousand, six hundred ninety".

Divisors: 1 2 3 5 6 10 15 19 30 38 57 95 114 190 285 570 666062317 1332124634 1998186951 3330311585 3996373902 6660623170 9990934755 12655184023 19981869510 25310368046 37965552069 63275920115 75931104138 126551840230 189827760345 379655520690