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2012713072921 = 53149539947207
BaseRepresentation
bin11101010010011111000…
…011000011100100011001
321010102011102201212110201
4131102133003003210121
5230434014021313141
64140343322142201
7265261622561425
oct35223703034431
97112142655421
102012713072921
11706650070721
122860b1651961
13117a4b364725
146d5b7089b85
153754e154031
hex1d49f0c3919

2012713072921 has 16 divisors (see below), whose sum is σ = 2064877920000. Its totient is φ = 1961079235648.

The previous prime is 2012713072919. The next prime is 2012713072967. The reversal of 2012713072921 is 1292703172102.

It is a cyclic number.

It is not a de Polignac number, because 2012713072921 - 21 = 2012713072919 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2012713072901) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42612300 + ... + 42659506.

It is an arithmetic number, because the mean of its divisors is an integer number (129054870000).

Almost surely, 22012713072921 is an apocalyptic number.

It is an amenable number.

2012713072921 is a deficient number, since it is larger than the sum of its proper divisors (52164847079).

2012713072921 is a wasteful number, since it uses less digits than its factorization.

2012713072921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52808.

The product of its (nonzero) digits is 21168, while the sum is 37.

The spelling of 2012713072921 in words is "two trillion, twelve billion, seven hundred thirteen million, seventy-two thousand, nine hundred twenty-one".

Divisors: 1 53 149 5399 7897 47207 286147 804451 2501971 7033843 42635903 254870593 372793679 13508141429 37975718357 2012713072921