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29287902042 = 2327514745161
BaseRepresentation
bin11011010001101100…
…011110101101011010
32210121010100120121200
4123101230132231122
5434440200331132
621242113215030
72054532026340
oct332154365532
983533316550
1029287902042
111146a291323
125814561476
1329b99ab269
1415bba41990
15b66366d7c
hex6d1b1eb5a

29287902042 has 48 divisors (see below), whose sum is σ = 72538120512. Its totient is φ = 8366160960.

The previous prime is 29287902037. The next prime is 29287902071. The reversal of 29287902042 is 24020978292.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 625942 + ... + 671102.

It is an arithmetic number, because the mean of its divisors is an integer number (1511210844).

Almost surely, 229287902042 is an apocalyptic number.

29287902042 is an abundant number, since it is smaller than the sum of its proper divisors (43250218470).

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

29287902042 is a wasteful number, since it uses less digits than its factorization.

29287902042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50323 (or 50320 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The spelling of 29287902042 in words is "twenty-nine billion, two hundred eighty-seven million, nine hundred two thousand, forty-two".

Divisors: 1 2 3 6 7 9 14 18 21 42 63 126 5147 10294 15441 30882 36029 45161 46323 72058 90322 92646 108087 135483 216174 270966 316127 324261 406449 632254 648522 812898 948381 1896762 2845143 5690286 232443667 464887334 697331001 1394662002 1627105669 2091993003 3254211338 4183986006 4881317007 9762634014 14643951021 29287902042