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2311704990 = 232573669373
BaseRepresentation
bin1000100111001001…
…1101000110011110
312222002212210002100
42021302131012132
514213244024430
61021215505530
7111200111460
oct21162350636
95862783070
102311704990
11a869961a1
125462282a6
132aac12a9a
1417d038130
15d7e34960
hex89c9d19e

2311704990 has 48 divisors (see below), whose sum is σ = 6869068128. Its totient is φ = 528389568.

The previous prime is 2311704973. The next prime is 2311705003. The reversal of 2311704990 is 994071132.

2311704990 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1834057 + ... + 1835316.

It is an arithmetic number, because the mean of its divisors is an integer number (143105586).

Almost surely, 22311704990 is an apocalyptic number.

2311704990 is an abundant number, since it is smaller than the sum of its proper divisors (4557363138).

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

2311704990 is a wasteful number, since it uses less digits than its factorization.

2311704990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3669393 (or 3669390 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 2311704990 is about 48080.1933232386. The cubic root of 2311704990 is about 1322.2415597948.

The spelling of 2311704990 in words is "two billion, three hundred eleven million, seven hundred four thousand, nine hundred ninety".

Divisors: 1 2 3 5 6 7 9 10 14 15 18 21 30 35 42 45 63 70 90 105 126 210 315 630 3669373 7338746 11008119 18346865 22016238 25685611 33024357 36693730 51371222 55040595 66048714 77056833 110081190 128428055 154113666 165121785 231170499 256856110 330243570 385284165 462340998 770568330 1155852495 2311704990