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29708861992983 = 32831731303176431
BaseRepresentation
bin1101100000101001000100…
…01010100111000000010111
310220012010202200011121201100
412300110202022213000113
512343222222132233413
6143104021321201143
76154252203225015
oct660244212470027
9126163680147640
1029708861992983
1195145040a52a8
1233b99399301b3
1313766c2600794
14749cb91b78b5
15367be0635a73
hex1b05222a7017

29708861992983 has 48 divisors (see below), whose sum is σ = 43714632858624. Its totient is φ = 19439136440640.

The previous prime is 29708861992921. The next prime is 29708861992991. The reversal of 29708861992983 is 38929916880792.

It is not a de Polignac number, because 29708861992983 - 210 = 29708861991959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29708861992283) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 168299778 + ... + 168476208.

It is an arithmetic number, because the mean of its divisors is an integer number (910721517888).

Almost surely, 229708861992983 is an apocalyptic number.

29708861992983 is a deficient number, since it is larger than the sum of its proper divisors (14005770865641).

29708861992983 is a wasteful number, since it uses less digits than its factorization.

29708861992983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177996 (or 177993 counting only the distinct ones).

The product of its (nonzero) digits is 1693052928, while the sum is 81.

The spelling of 29708861992983 in words is "twenty-nine trillion, seven hundred eight billion, eight hundred sixty-one million, nine hundred ninety-two thousand, nine hundred eighty-three".

Divisors: 1 3 9 83 173 249 519 747 1303 1557 3909 11727 14359 43077 108149 129231 176431 225419 324447 529293 676257 973341 1587879 2028771 14643773 18709777 30522563 43931319 56129331 91567689 131793957 168387993 229889593 274703067 689668779 2069006337 2533372729 7600118187 19080836219 22800354561 39770899589 57242508657 119312698767 171727525971 357938096301 3300984665887 9902953997661 29708861992983