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21514083882 = 2317401593887
BaseRepresentation
bin10100000010010101…
…101101111000101010
32001112100112200212120
4110002111231320222
5323030101141012
613514453252110
71361065460424
oct240225557052
961470480776
1021514083882
119140159715
124205034036
13204b28b565
141081413814
1585db4858c
hex50256de2a

21514083882 has 64 divisors (see below), whose sum is σ = 45801448704. Its totient is φ = 6713753600.

The previous prime is 21514083881. The next prime is 21514083889. The reversal of 21514083882 is 28838041512.

It is not an unprimeable number, because it can be changed into a prime (21514083881) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24254443 + ... + 24255329.

It is an arithmetic number, because the mean of its divisors is an integer number (715647636).

Almost surely, 221514083882 is an apocalyptic number.

21514083882 is an abundant number, since it is smaller than the sum of its proper divisors (24287364822).

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

21514083882 is a wasteful number, since it uses less digits than its factorization.

21514083882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1903.

The product of its (nonzero) digits is 122880, while the sum is 42.

The spelling of 21514083882 in words is "twenty-one billion, five hundred fourteen million, eighty-three thousand, eight hundred eighty-two".

Divisors: 1 2 3 6 17 34 51 102 401 593 802 887 1186 1203 1774 1779 2406 2661 3558 5322 6817 10081 13634 15079 20162 20451 30158 30243 40902 45237 60486 90474 237793 355687 475586 525991 711374 713379 1051982 1067061 1426758 1577973 2134122 3155946 4042481 6046679 8084962 8941847 12093358 12127443 17883694 18140037 24254886 26825541 36280074 53651082 210922391 421844782 632767173 1265534346 3585680647 7171361294 10757041941 21514083882