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19136555376 = 24317229102409
BaseRepresentation
bin10001110100101000…
…001010100101110000
31211101122210201220020
4101310220022211300
5303142424233001
612442522443440
71245136015431
oct216450124560
954348721806
1019136555376
1181300a5324
123860963580
131a5c83cc63
14cd7763488
15770060736
hex474a0a970

19136555376 has 80 divisors (see below), whose sum is σ = 52573197600. Its totient is φ = 5977350144.

The previous prime is 19136555357. The next prime is 19136555411. The reversal of 19136555376 is 67355563191.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135660 + ... + 238068.

It is an arithmetic number, because the mean of its divisors is an integer number (657164970).

Almost surely, 219136555376 is an apocalyptic number.

19136555376 is a gapful number since it is divisible by the number (16) 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 19136555376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26286598800).

19136555376 is an abundant number, since it is smaller than the sum of its proper divisors (33436642224).

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

19136555376 is a wasteful number, since it uses less digits than its factorization.

19136555376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102666 (or 102660 counting only the distinct ones).

The product of its digits is 2551500, while the sum is 51.

The spelling of 19136555376 in words is "nineteen billion, one hundred thirty-six million, five hundred fifty-five thousand, three hundred seventy-six".

Divisors: 1 2 3 4 6 8 12 16 17 24 34 48 51 68 102 136 204 229 272 408 458 687 816 916 1374 1832 2748 3664 3893 5496 7786 10992 11679 15572 23358 31144 46716 62288 93432 102409 186864 204818 307227 409636 614454 819272 1228908 1638544 1740953 2457816 3481906 4915632 5222859 6963812 10445718 13927624 20891436 23451661 27855248 41782872 46903322 70354983 83565744 93806644 140709966 187613288 281419932 375226576 398678237 562839864 797356474 1125679728 1196034711 1594712948 2392069422 3189425896 4784138844 6378851792 9568277688 19136555376