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102266011640 = 235131297151631
BaseRepresentation
bin101111100111110000…
…1110111111111111000
3100202222002112122211202
41133033201313333320
53133420044333030
6114551431313332
710250150520302
oct1371741677770
9322862478752
10102266011640
113a4095521a1
12179a081b848
13984a114430
144d41da2972
1529d8145745
hex17cf877ff8

102266011640 has 64 divisors (see below), whose sum is σ = 247991103360. Its totient is φ = 37730396160.

The previous prime is 102266011607. The next prime is 102266011667. The reversal of 102266011640 is 46110662201.

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, 598625 + ... + 750255.

It is an arithmetic number, because the mean of its divisors is an integer number (3874860990).

Almost surely, 2102266011640 is an apocalyptic number.

102266011640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102266011640 is an abundant number, since it is smaller than the sum of its proper divisors (145725091720).

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

102266011640 is a wasteful number, since it uses less digits than its factorization.

102266011640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152952 (or 152948 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

Adding to 102266011640 its reverse (46110662201), we get a palindrome (148376673841).

The spelling of 102266011640 in words is "one hundred two billion, two hundred sixty-six million, eleven thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 13 20 26 40 52 65 104 130 260 520 1297 2594 5188 6485 10376 12970 16861 25940 33722 51880 67444 84305 134888 151631 168610 303262 337220 606524 674440 758155 1213048 1516310 1971203 3032620 3942406 6065240 7884812 9856015 15769624 19712030 39424060 78848120 196665407 393330814 786661628 983327035 1573323256 1966654070 2556650291 3933308140 5113300582 7866616280 10226601164 12783251455 20453202328 25566502910 51133005820 102266011640