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10491430100 = 2252104914301
BaseRepresentation
bin10011100010101011…
…01000010011010100
31000002011110212111012
421301111220103110
5132441301230400
64453015431352
7520662453524
oct116125502324
930064425435
1010491430100
1144a4158798
122049685558
13cb2761908
14717527684
154160d1d35
hex2715684d4

10491430100 has 18 divisors (see below), whose sum is σ = 22766403534. Its totient is φ = 4196572000.

The previous prime is 10491430097. The next prime is 10491430129. The reversal of 10491430100 is 103419401.

It can be written as a sum of positive squares in 3 ways, for example, as 107412496 + 10384017604 = 10364^2 + 101902^2 .

It is a super-2 number, since 2×104914301002 (a number of 21 digits) 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 5 ways as a sum of consecutive naturals, for example, 52457051 + ... + 52457250.

Almost surely, 210491430100 is an apocalyptic number.

10491430100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10491430100 is an abundant number, since it is smaller than the sum of its proper divisors (12274973434).

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

10491430100 is a wasteful number, since it uses less digits than its factorization.

10491430100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104914315 (or 104914308 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 10491430100 its reverse (103419401), we get a palindrome (10594849501).

The spelling of 10491430100 in words is "ten billion, four hundred ninety-one million, four hundred thirty thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 104914301 209828602 419657204 524571505 1049143010 2098286020 2622857525 5245715050 10491430100