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10553920878 = 233894521817
BaseRepresentation
bin10011101010001000…
…00000110101101110
31000020112001201201110
421311010000311232
5133103300432003
64503131052450
7522351563424
oct116504006556
930215051643
1010553920878
11452645aa66
1220665a1126
13cc26a14c7
14721953114
1541b827a03
hex275100d6e

10553920878 has 16 divisors (see below), whose sum is σ = 21162108240. Its totient is φ = 3508929216.

The previous prime is 10553920873. The next prime is 10553920901. The reversal of 10553920878 is 87802935501.

It is a super-2 number, since 2×105539208782 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10553920873) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2258575 + ... + 2263242.

It is an arithmetic number, because the mean of its divisors is an integer number (1322631765).

Almost surely, 210553920878 is an apocalyptic number.

10553920878 is an abundant number, since it is smaller than the sum of its proper divisors (10608187362).

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

10553920878 is a wasteful number, since it uses less digits than its factorization.

10553920878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4522211.

The product of its (nonzero) digits is 604800, while the sum is 48.

The spelling of 10553920878 in words is "ten billion, five hundred fifty-three million, nine hundred twenty thousand, eight hundred seventy-eight".

Divisors: 1 2 3 6 389 778 1167 2334 4521817 9043634 13565451 27130902 1758986813 3517973626 5276960439 10553920878