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29086039990 = 2571935960917
BaseRepresentation
bin11011000101101010…
…011011111110110110
32210002001111220221101
4123011222123332312
5434032011234430
621210102440314
72046531155260
oct330552337666
983061456841
1029086039990
1111376347387
125778a3309a
132986c21567
14159ccd6b30
15b53790dca
hex6c5a9bfb6

29086039990 has 64 divisors (see below), whose sum is σ = 63159782400. Its totient is φ = 9421024896.

The previous prime is 29086039987. The next prime is 29086039991. The reversal of 29086039990 is 9993068092.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29086039991) 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, 447012 + ... + 507928.

It is an arithmetic number, because the mean of its divisors is an integer number (986871600).

Almost surely, 229086039990 is an apocalyptic number.

29086039990 is an abundant number, since it is smaller than the sum of its proper divisors (34073742410).

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

29086039990 is a wasteful number, since it uses less digits than its factorization.

29086039990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61309.

The product of its (nonzero) digits is 1889568, while the sum is 55.

The spelling of 29086039990 in words is "twenty-nine billion, eighty-six million, thirty-nine thousand, nine hundred ninety".

Divisors: 1 2 5 7 10 14 19 35 38 70 95 133 190 266 359 665 718 1330 1795 2513 3590 5026 6821 12565 13642 25130 34105 47747 60917 68210 95494 121834 238735 304585 426419 477470 609170 852838 1157423 2132095 2314846 4264190 5787115 8101961 11574230 16203922 21869203 40509805 43738406 81019610 109346015 153084421 218692030 306168842 415514857 765422105 831029714 1530844210 2077574285 2908603999 4155148570 5817207998 14543019995 29086039990