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2213708468640 = 25355653815831
BaseRepresentation
bin100000001101101011010…
…011101001000110100000
321211121222011000220012020
4200031223103221012200
5242232133331444030
64412544051101440
7315635521341654
oct40155323510640
97747864026166
102213708468640
117839127a0409
122b90465a1880
131309a096b146
147920343aa64
153c8b4b9a510
hex2036b4e91a0

2213708468640 has 96 divisors (see below), whose sum is σ = 6974423761536. Its totient is φ = 590217108480.

The previous prime is 2213708468633. The next prime is 2213708468659. The reversal of 2213708468640 is 468648073122.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2305525 + ... + 3121355.

It is an arithmetic number, because the mean of its divisors is an integer number (72650247516).

Almost surely, 22213708468640 is an apocalyptic number.

2213708468640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2213708468640 is an abundant number, since it is smaller than the sum of its proper divisors (4760715292896).

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

2213708468640 is a wasteful number, since it uses less digits than its factorization.

2213708468640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 821502 (or 821494 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 51.

The spelling of 2213708468640 in words is "two trillion, two hundred thirteen billion, seven hundred eight million, four hundred sixty-eight thousand, six hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 96 120 160 240 480 5653 11306 16959 22612 28265 33918 45224 56530 67836 84795 90448 113060 135672 169590 180896 226120 271344 339180 452240 542688 678360 815831 904480 1356720 1631662 2447493 2713440 3263324 4079155 4894986 6526648 8158310 9789972 12237465 13053296 16316620 19579944 24474930 26106592 32633240 39159888 48949860 65266480 78319776 97899720 130532960 195799440 391598880 4611892643 9223785286 13835677929 18447570572 23059463215 27671355858 36895141144 46118926430 55342711716 69178389645 73790282288 92237852860 110685423432 138356779290 147580564576 184475705720 221370846864 276713558580 368951411440 442741693728 553427117160 737902822880 1106854234320 2213708468640