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1631116074 = 23748138069
BaseRepresentation
bin110000100111000…
…1101101100101010
311012200020021121110
41201032031230222
511320031203244
6425504251150
755264154310
oct14116155452
94180207543
101631116074
117677a4715
12396310ab6
131ccc0ba53
141168b40b0
15982e89b9
hex6138db2a

1631116074 has 32 divisors (see below), whose sum is σ = 3729502080. Its totient is φ = 465878592.

The previous prime is 1631115979. The next prime is 1631116087. The reversal of 1631116074 is 4706111361.

It is a super-2 number, since 2×16311160742 = 5321079293722346952, which contains 22 as substring.

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, 198112 + ... + 206180.

It is an arithmetic number, because the mean of its divisors is an integer number (116546940).

Almost surely, 21631116074 is an apocalyptic number.

1631116074 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1631116074 is an abundant number, since it is smaller than the sum of its proper divisors (2098386006).

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

1631116074 is a wasteful number, since it uses less digits than its factorization.

1631116074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12894.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 1631116074 is about 40387.0780572202. The cubic root of 1631116074 is about 1177.1404651480.

It can be divided in two parts, 16311 and 16074, that added together give a triangular number (32385 = T254).

The spelling of 1631116074 in words is "one billion, six hundred thirty-one million, one hundred sixteen thousand, seventy-four".

Divisors: 1 2 3 6 7 14 21 42 4813 8069 9626 14439 16138 24207 28878 33691 48414 56483 67382 101073 112966 169449 202146 338898 38836097 77672194 116508291 233016582 271852679 543705358 815558037 1631116074