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11992554310 = 2511473137411
BaseRepresentation
bin10110010101100111…
…11101101101000110
31010221210002212210011
423022303331231012
5144030043214220
65302002020434
7603121013122
oct131263755506
933853085704
1011992554310
1150a4536610
1223a834771a
1311917587a9
1481aa40582
154a2c9e65a
hex2cacfdb46

11992554310 has 64 divisors (see below), whose sum is σ = 24130151424. Its totient is φ = 4253932800.

The previous prime is 11992554283. The next prime is 11992554317. The reversal of 11992554310 is 1345529911.

It is a super-2 number, since 2×119925543102 (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11992554317) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1614505 + ... + 1621915.

It is an arithmetic number, because the mean of its divisors is an integer number (377033616).

Almost surely, 211992554310 is an apocalyptic number.

11992554310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11992554310 is an abundant number, since it is smaller than the sum of its proper divisors (12137597114).

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

11992554310 is a wasteful number, since it uses less digits than its factorization.

11992554310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7789.

The product of its (nonzero) digits is 48600, while the sum is 40.

The spelling of 11992554310 in words is "eleven billion, nine hundred ninety-two million, five hundred fifty-four thousand, three hundred ten".

Divisors: 1 2 5 10 11 22 47 55 94 110 235 313 470 517 626 1034 1565 2585 3130 3443 5170 6886 7411 14711 14822 17215 29422 34430 37055 73555 74110 81521 147110 161821 163042 323642 348317 407605 696634 809105 815210 1618210 1741585 2319643 3483170 3831487 4639286 7662974 11598215 19157435 23196430 25516073 38314870 51032146 109023221 127580365 218046442 255160730 545116105 1090232210 1199255431 2398510862 5996277155 11992554310