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2111315705904 = 24359887734479
BaseRepresentation
bin11110101110010100001…
…110010000000000110000
321110211200012222121112110
4132232110032100000300
5234042433310042104
64253531450525320
7305352241251546
oct36562416200060
97424605877473
102111315705904
11744449746249
122a122b436840
13124133507c82
147428c6c1d96
1539dc0868e89
hex1eb94390030

2111315705904 has 40 divisors (see below), whose sum is σ = 5454330741760. Its totient is φ = 703759192128.

The previous prime is 2111315705893. The next prime is 2111315705927. The reversal of 2111315705904 is 4095075131112.

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, 2507337 + ... + 3241815.

It is an arithmetic number, because the mean of its divisors is an integer number (136358268544).

Almost surely, 22111315705904 is an apocalyptic number.

2111315705904 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2111315705904 is an abundant number, since it is smaller than the sum of its proper divisors (3343015035856).

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

2111315705904 is a wasteful number, since it uses less digits than its factorization.

2111315705904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 794377 (or 794371 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 39.

The spelling of 2111315705904 in words is "two trillion, one hundred eleven billion, three hundred fifteen million, seven hundred five thousand, nine hundred four".

Divisors: 1 2 3 4 6 8 12 16 24 48 59887 119774 179661 239548 359322 479096 718644 734479 958192 1437288 1468958 2203437 2874576 2937916 4406874 5875832 8813748 11751664 17627496 35254992 43985743873 87971487746 131957231619 175942975492 263914463238 351885950984 527828926476 703771901968 1055657852952 2111315705904