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27264804490 = 257111910091847
BaseRepresentation
bin11001011001000110…
…111110011010001010
32121101010112120111201
4121121012332122022
5421314242220430
620305243214414
71653435004630
oct313106763212
977333476451
1027264804490
11106212a9180
12534ab1740a
132756807911
141469093350
15a989408ca
hex6591be68a

27264804490 has 128 divisors (see below), whose sum is σ = 64505548800. Its totient is φ = 8038517760.

The previous prime is 27264804487. The next prime is 27264804491. The reversal of 27264804490 is 9440846272.

It is a self number, because there is not a number n which added to its sum of digits gives 27264804490.

It is not an unprimeable number, because it can be changed into a prime (27264804491) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14760747 + ... + 14762593.

It is an arithmetic number, because the mean of its divisors is an integer number (503949600).

Almost surely, 227264804490 is an apocalyptic number.

27264804490 is an abundant number, since it is smaller than the sum of its proper divisors (37240744310).

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

27264804490 is a wasteful number, since it uses less digits than its factorization.

27264804490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2900.

The product of its (nonzero) digits is 774144, while the sum is 46.

The spelling of 27264804490 in words is "twenty-seven billion, two hundred sixty-four million, eight hundred four thousand, four hundred ninety".

Divisors: 1 2 5 7 10 11 14 19 22 35 38 55 70 77 95 110 133 154 190 209 266 385 418 665 770 1009 1045 1330 1463 1847 2018 2090 2926 3694 5045 7063 7315 9235 10090 11099 12929 14126 14630 18470 19171 20317 22198 25858 35093 35315 38342 40634 55495 64645 70186 70630 77693 95855 101585 110990 129290 134197 142219 155386 175465 191710 203170 210881 245651 268394 284438 350930 386023 388465 421762 491302 670985 711095 772046 776930 1054405 1228255 1341970 1422190 1476167 1863623 1930115 2108810 2456510 2702161 2952334 3727246 3860230 5404322 7380835 9318115 13045361 13510805 14761670 18636230 20499853 26090722 27021610 35408837 40999706 65226805 70817674 102499265 130453610 143498971 177044185 204998530 247861859 286997942 354088370 389497207 495723718 717494855 778994414 1239309295 1434989710 1947486035 2478618590 2726480449 3894972070 5452960898 13632402245 27264804490