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2920220619764 = 227477131253699
BaseRepresentation
bin101010011111101010101…
…101100111001111110100
3101100011121012021211212112
4222133222231213033310
5340321102434313024
610113310354310152
7420656534466560
oct52375255471764
911304535254775
102920220619764
11a26505456588
123b1b5bb88358
131824b6321936
14a14a758a6a0
1550e6580400e
hex2a7eab673f4

2920220619764 has 48 divisors (see below), whose sum is σ = 6048716083200. Its totient is φ = 1207642890720.

The previous prime is 2920220619737. The next prime is 2920220619781. The reversal of 2920220619764 is 4679160220292.

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, 15533414 + ... + 15720285.

It is an arithmetic number, because the mean of its divisors is an integer number (126014918400).

Almost surely, 22920220619764 is an apocalyptic number.

It is an amenable number.

2920220619764 is an abundant number, since it is smaller than the sum of its proper divisors (3128495463436).

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

2920220619764 is a wasteful number, since it uses less digits than its factorization.

2920220619764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31253828 (or 31253826 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 50.

The spelling of 2920220619764 in words is "two trillion, nine hundred twenty billion, two hundred twenty million, six hundred nineteen thousand, seven hundred sixty-four".

Divisors: 1 2 4 7 14 28 47 71 94 142 188 284 329 497 658 994 1316 1988 3337 6674 13348 23359 46718 93436 31253699 62507398 125014796 218775893 437551786 875103572 1468923853 2219012629 2937847706 4438025258 5875695412 8876050516 10282466971 15533088403 20564933942 31066176806 41129867884 62132353612 104293593563 208587187126 417174374252 730055154941 1460110309882 2920220619764