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19330290020 = 2251999483499
BaseRepresentation
bin10010000000001011…
…001101000101100100
31211220011100110212102
4102000023031011210
5304042023240040
612514043111232
71253010516446
oct220013150544
954804313772
1019330290020
11821a498aa8
1238b5812518
131a90a12542
14d15394496
1578207d515
hex4802cd164

19330290020 has 24 divisors (see below), whose sum is σ = 40614000000. Its totient is φ = 7728232032.

The previous prime is 19330290019. The next prime is 19330290041. The reversal of 19330290020 is 2009203391.

It is a super-2 number, since 2×193302900202 (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 7 ways as a sum of consecutive naturals, for example, 201770 + ... + 281729.

It is an arithmetic number, because the mean of its divisors is an integer number (1692250000).

Almost surely, 219330290020 is an apocalyptic number.

19330290020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19330290020 is an abundant number, since it is smaller than the sum of its proper divisors (21283709980).

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

19330290020 is a wasteful number, since it uses less digits than its factorization.

19330290020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485507 (or 485505 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 29.

The spelling of 19330290020 in words is "nineteen billion, three hundred thirty million, two hundred ninety thousand, twenty".

Divisors: 1 2 4 5 10 20 1999 3998 7996 9995 19990 39980 483499 966998 1933996 2417495 4834990 9669980 966514501 1933029002 3866058004 4832572505 9665145010 19330290020