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1368950018 = 223311277559
BaseRepresentation
bin101000110011000…
…1000010100000010
310112101220212101112
41101212020110002
510300422400033
6343501203322
745631611632
oct12146102402
93471825345
101368950018
11642811457
12322560542
1318a7c98c7
14cdb4c6c2
15802aec48
hex51988502

1368950018 has 32 divisors (see below), whose sum is σ = 2229534720. Its totient is φ = 628523280.

The previous prime is 1368949993. The next prime is 1368950081. The reversal of 1368950018 is 8100598631.

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, 177323 + ... + 184881.

It is an arithmetic number, because the mean of its divisors is an integer number (69672960).

Almost surely, 21368950018 is an apocalyptic number.

1368950018 is a deficient number, since it is larger than the sum of its proper divisors (860584702).

1368950018 is a wasteful number, since it uses less digits than its factorization.

1368950018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7742.

The product of its (nonzero) digits is 51840, while the sum is 41.

The square root of 1368950018 is about 36999.3245614025. The cubic root of 1368950018 is about 1110.3567335397.

The spelling of 1368950018 in words is "one billion, three hundred sixty-eight million, nine hundred fifty thousand, eighteen".

Divisors: 1 2 23 31 46 62 127 254 713 1426 2921 3937 5842 7559 7874 15118 90551 173857 181102 234329 347714 468658 959993 1919986 5389567 10779134 22079839 29759783 44159678 59519566 684475009 1368950018