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27948840364 = 22291721139999
BaseRepresentation
bin11010000001111000…
…010111010110101100
32200010210200012022201
4122001320113112230
5424214400342424
620501200351244
72006412136414
oct320170272654
980123605281
1027948840364
1110942434485
125500015524
132835447883
1414d1c73644
15ad8a0cd44
hex681e175ac

27948840364 has 24 divisors (see below), whose sum is σ = 50626800000. Its totient is φ = 13484607360.

The previous prime is 27948840341. The next prime is 27948840397. The reversal of 27948840364 is 46304884972.

It is a super-2 number, since 2×279488403642 (a number of 22 digits) contains 22 as substring.

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, 129637 + ... + 269635.

It is an arithmetic number, because the mean of its divisors is an integer number (2109450000).

Almost surely, 227948840364 is an apocalyptic number.

It is an amenable number.

27948840364 is a deficient number, since it is larger than the sum of its proper divisors (22677959636).

27948840364 is a wasteful number, since it uses less digits than its factorization.

27948840364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141753 (or 141751 counting only the distinct ones).

The product of its (nonzero) digits is 9289728, while the sum is 55.

The spelling of 27948840364 in words is "twenty-seven billion, nine hundred forty-eight million, eight hundred forty thousand, three hundred sixty-four".

Divisors: 1 2 4 29 58 116 1721 3442 6884 49909 99818 139999 199636 279998 559996 4059971 8119942 16239884 240938279 481876558 963753116 6987210091 13974420182 27948840364