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19413089830 = 2519102174157
BaseRepresentation
bin10010000101000111…
…000011111000100110
31212002221011010212001
4102011013003320212
5304224222333310
612530201515514
71255034353351
oct220507037046
955087133761
1019413089830
1182622017a2
1239194a2b9a
131aa4c13104
14d22389298
1578948693a
hex4851c3e26

19413089830 has 16 divisors (see below), whose sum is σ = 36782696880. Its totient is φ = 7356539232.

The previous prime is 19413089821. The next prime is 19413089831. The reversal of 19413089830 is 3898031491.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19413089831) 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, 51086889 + ... + 51087268.

It is an arithmetic number, because the mean of its divisors is an integer number (2298918555).

Almost surely, 219413089830 is an apocalyptic number.

19413089830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19413089830 is a deficient number, since it is larger than the sum of its proper divisors (17369607050).

19413089830 is a wasteful number, since it uses less digits than its factorization.

19413089830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102174183.

The product of its (nonzero) digits is 186624, while the sum is 46.

The spelling of 19413089830 in words is "nineteen billion, four hundred thirteen million, eighty-nine thousand, eight hundred thirty".

Divisors: 1 2 5 10 19 38 95 190 102174157 204348314 510870785 1021741570 1941308983 3882617966 9706544915 19413089830