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29712966490 = 2531656914591
BaseRepresentation
bin11011101011000001…
…111110001101011010
32211200202012002102101
4123223001332031122
5441323004411430
621352215554014
72101213022314
oct335301761532
984622162371
1029712966490
1111668216559
12591298b90a
132a56a8719c
14161c28c7b4
15b8d82bdca
hex6eb07e35a

29712966490 has 32 divisors (see below), whose sum is σ = 55220797440. Its totient is φ = 11499254400.

The previous prime is 29712966457. The next prime is 29712966497. The reversal of 29712966490 is 9466921792.

It is not an unprimeable number, because it can be changed into a prime (29712966497) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2029095 + ... + 2043685.

It is an arithmetic number, because the mean of its divisors is an integer number (1725649920).

Almost surely, 229712966490 is an apocalyptic number.

29712966490 is a deficient number, since it is larger than the sum of its proper divisors (25507830950).

29712966490 is a wasteful number, since it uses less digits than its factorization.

29712966490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21198.

The product of its (nonzero) digits is 2939328, while the sum is 55.

The spelling of 29712966490 in words is "twenty-nine billion, seven hundred twelve million, nine hundred sixty-six thousand, four hundred ninety".

Divisors: 1 2 5 10 31 62 155 310 6569 13138 14591 29182 32845 65690 72955 145910 203639 407278 452321 904642 1018195 2036390 2261605 4523210 95848279 191696558 479241395 958482790 2971296649 5942593298 14856483245 29712966490