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1368393698 = 2731994743
BaseRepresentation
bin101000110010000…
…0000011111100010
310112100212121021002
41101210000133202
510300302044243
6343441232002
745624104000
oct12144003742
93470777232
101368393698
11642471491
12322332602
1318a663619
14cda45a70
15801eeeb8
hex519007e2

1368393698 has 16 divisors (see below), whose sum is σ = 2393692800. Its totient is φ = 586454148.

The previous prime is 1368393679. The next prime is 1368393703. The reversal of 1368393698 is 8963938631.

It is a super-2 number, since 2×13683936982 = 3745002625452230408, which contains 22 as substring.

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, 996686 + ... + 998057.

It is an arithmetic number, because the mean of its divisors is an integer number (149605800).

Almost surely, 21368393698 is an apocalyptic number.

1368393698 is a deficient number, since it is larger than the sum of its proper divisors (1025299102).

1368393698 is an equidigital number, since it uses as much as digits as its factorization.

1368393698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1994766 (or 1994752 counting only the distinct ones).

The product of its digits is 5038848, while the sum is 56.

The square root of 1368393698 is about 36991.8058223710. The cubic root of 1368393698 is about 1110.2063025901.

The spelling of 1368393698 in words is "one billion, three hundred sixty-eight million, three hundred ninety-three thousand, six hundred ninety-eight".

Divisors: 1 2 7 14 49 98 343 686 1994743 3989486 13963201 27926402 97742407 195484814 684196849 1368393698