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1368827616 = 253131096817
BaseRepresentation
bin101000110010110…
…1010011011100000
310112101200122111010
41101211222123200
510300404440431
6343454420520
745630562032
oct12145523340
93471618433
101368827616
116427384a2
12322501740
1318a785c90
14cdb19c52
1580288846
hex5196a6e0

1368827616 has 48 divisors (see below), whose sum is σ = 3869573904. Its totient is φ = 421177344.

The previous prime is 1368827587. The next prime is 1368827633. The reversal of 1368827616 is 6167288631.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 547161 + ... + 549656.

It is an arithmetic number, because the mean of its divisors is an integer number (80616123).

Almost surely, 21368827616 is an apocalyptic number.

1368827616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1368827616 is an abundant number, since it is smaller than the sum of its proper divisors (2500746288).

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

1368827616 is a wasteful number, since it uses less digits than its factorization.

1368827616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1096843 (or 1096835 counting only the distinct ones).

The product of its digits is 580608, while the sum is 48.

The square root of 1368827616 is about 36997.6704131490. The cubic root of 1368827616 is about 1110.3236390916.

The spelling of 1368827616 in words is "one billion, three hundred sixty-eight million, eight hundred twenty-seven thousand, six hundred sixteen".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 32 39 48 52 78 96 104 156 208 312 416 624 1248 1096817 2193634 3290451 4387268 6580902 8774536 13161804 14258621 17549072 26323608 28517242 35098144 42775863 52647216 57034484 85551726 105294432 114068968 171103452 228137936 342206904 456275872 684413808 1368827616