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1368934190 = 251310530263
BaseRepresentation
bin101000110011000…
…0100011100101110
310112101220001200022
41101212010130232
510300421343230
6343501002142
745631514531
oct12146043456
93471801608
101368934190
11642800578
12322553352
1318a7c2640
14cdb46a18
15802aa1e5
hex5198472e

1368934190 has 16 divisors (see below), whose sum is σ = 2653626528. Its totient is φ = 505452576.

The previous prime is 1368934159. The next prime is 1368934213. The reversal of 1368934190 is 914398631.

It is a super-2 number, since 2×13689341902 = 3747961633101912200, which contains 22 as substring.

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, 5265002 + ... + 5265261.

It is an arithmetic number, because the mean of its divisors is an integer number (165851658).

Almost surely, 21368934190 is an apocalyptic number.

1368934190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1368934190 is a deficient number, since it is larger than the sum of its proper divisors (1284692338).

1368934190 is a wasteful number, since it uses less digits than its factorization.

1368934190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10530283.

The product of its (nonzero) digits is 139968, while the sum is 44.

The square root of 1368934190 is about 36999.1106649876. The cubic root of 1368934190 is about 1110.3524541543.

The spelling of 1368934190 in words is "one billion, three hundred sixty-eight million, nine hundred thirty-four thousand, one hundred ninety".

Divisors: 1 2 5 10 13 26 65 130 10530263 21060526 52651315 105302630 136893419 273786838 684467095 1368934190