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19030208100 = 22352195971797
BaseRepresentation
bin10001101110010010…
…011110111001100100
31211010020200201212020
4101232102132321210
5302433213124400
612424203223140
71242405046161
oct215622367144
954106621766
1019030208100
118086069012
123831217ab0
131a437b6387
14cc759d068
15765a552a0
hex46e49ee64

19030208100 has 288 divisors, whose sum is σ = 59846169600. Its totient is φ = 4653734400.

The previous prime is 19030208089. The next prime is 19030208137. The reversal of 19030208100 is 180203091.

It is a super-2 number, since 2×190302081002 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 23876902 + ... + 23877698.

It is an arithmetic number, because the mean of its divisors is an integer number (207799200).

Almost surely, 219030208100 is an apocalyptic number.

19030208100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19030208100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29923084800).

19030208100 is an abundant number, since it is smaller than the sum of its proper divisors (40815961500).

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

19030208100 is a wasteful number, since it uses less digits than its factorization.

19030208100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 963 (or 956 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 24.

The spelling of 19030208100 in words is "nineteen billion, thirty million, two hundred eight thousand, one hundred".