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21050442642614 = 27111935099711433
BaseRepresentation
bin1001100100101001100000…
…01001111111010010110110
32202112101212112121200021112
410302110300021333102312
510224342301304030424
6112434235001315022
74301562410120630
oct462246011772266
982471775550245
1021050442642614
1167864960a6a20
12243b872795a72
13b99081c411a8
1452abbdad9a50
15267884c7a60e
hex13253027f4b6

21050442642614 has 128 divisors (see below), whose sum is σ = 39717308482560. Its totient is φ = 8128884326400.

The previous prime is 21050442642577. The next prime is 21050442642631. The reversal of 21050442642614 is 41624624405012.

It is a super-2 number, since 2×210504426426142 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14689770842 + ... + 14689772274.

It is an arithmetic number, because the mean of its divisors is an integer number (310291472520).

Almost surely, 221050442642614 is an apocalyptic number.

21050442642614 is a deficient number, since it is larger than the sum of its proper divisors (18666865839946).

21050442642614 is a wasteful number, since it uses less digits than its factorization.

21050442642614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3126.

The product of its (nonzero) digits is 368640, while the sum is 41.

The spelling of 21050442642614 in words is "twenty-one trillion, fifty billion, four hundred forty-two million, six hundred forty-two thousand, six hundred fourteen".

Divisors: 1 2 7 11 14 22 77 154 193 386 509 971 1018 1351 1433 1942 2123 2702 2866 3563 4246 5599 6797 7126 10031 10681 11198 13594 14861 15763 20062 21362 29722 31526 39193 74767 78386 98237 110341 149534 187403 196474 220682 276569 374806 494239 553138 687659 729397 988478 1080607 1311821 1375318 1391443 1458794 1935983 2061433 2161214 2623642 2782886 3042259 3459673 3871966 4122866 5105779 5436629 6084518 6919346 7564249 8023367 9740101 10211558 10873258 14430031 15128498 15305873 16046734 19480202 21295813 28860062 30611746 38056403 42591626 56163569 76112806 95388127 107141111 112327138 140773621 190776254 214282222 268548499 281547242 537096998 667716889 708244487 985415347 1049269397 1335433778 1416488974 1548509831 1879839493 1970830694 2098538794 2954033489 3097019662 3759678986 4957711409 5908066978 7344885779 7790689357 9915422818 10839568817 14689771558 15581378714 20678234423 21679137634 41356468846 54534825499 109069650998 136691185991 273382371982 956838301937 1503603045901 1913676603874 3007206091802 10525221321307 21050442642614