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1368402496 = 26193121171
BaseRepresentation
bin101000110010000…
…0010101001000000
310112100220001022221
41101210002221000
510300302334441
6343441340424
745624141436
oct12144025100
93470801287
101368402496
1164247805a
12322337714
1318a667626
14cda48d56
15802028d1
hex51902a40

1368402496 has 84 divisors (see below), whose sum is σ = 2956041840. Its totient is φ = 626745600.

The previous prime is 1368402473. The next prime is 1368402499. The reversal of 1368402496 is 6942048631.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1368402499) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1167991 + ... + 1169161.

Almost surely, 21368402496 is an apocalyptic number.

1368402496 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1368402496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1478020920).

1368402496 is an abundant number, since it is smaller than the sum of its proper divisors (1587639344).

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

1368402496 is a wasteful number, since it uses less digits than its factorization.

1368402496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1264 (or 1223 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 43.

The square root of 1368402496 is about 36991.9247404079. The cubic root of 1368402496 is about 1110.2086819186.

The spelling of 1368402496 in words is "one billion, three hundred sixty-eight million, four hundred two thousand, four hundred ninety-six".

Divisors: 1 2 4 8 16 19 31 32 38 62 64 76 124 152 248 304 496 589 608 961 992 1171 1178 1216 1922 1984 2342 2356 3844 4684 4712 7688 9368 9424 15376 18259 18736 18848 22249 30752 36301 36518 37472 37696 44498 61504 72602 73036 74944 88996 145204 146072 177992 290408 292144 355984 580816 584288 689719 711968 1125331 1161632 1168576 1379438 1423936 2250662 2323264 2758876 4501324 5517752 9002648 11035504 18005296 21381289 22071008 36010592 42762578 44142016 72021184 85525156 171050312 342100624 684201248 1368402496