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12699049704 = 233113397541
BaseRepresentation
bin10111101001110110…
…00001111011101000
31012210000111120021020
423310323001323220
5202001424042304
65500040412440
7626460066345
oct136473017350
935700446236
1012699049704
115427312000
122564a77120
131274c304c3
148867c97cc
154e4d065d9
hex2f4ec1ee8

12699049704 has 64 divisors (see below), whose sum is σ = 34920089280. Its totient is φ = 3848187200.

The previous prime is 12699049697. The next prime is 12699049721. The reversal of 12699049704 is 40794099621.

It is a happy number.

It is a super-2 number, since 2×126990497042 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166827 + ... + 230714.

It is an arithmetic number, because the mean of its divisors is an integer number (545626395).

Almost surely, 212699049704 is an apocalyptic number.

It is an amenable number.

12699049704 is an abundant number, since it is smaller than the sum of its proper divisors (22221039576).

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

12699049704 is a wasteful number, since it uses less digits than its factorization.

12699049704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397583 (or 397557 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 51.

The spelling of 12699049704 in words is "twelve billion, six hundred ninety-nine million, forty-nine thousand, seven hundred four".

Divisors: 1 2 3 4 6 8 11 12 22 24 33 44 66 88 121 132 242 264 363 484 726 968 1331 1452 2662 2904 3993 5324 7986 10648 15972 31944 397541 795082 1192623 1590164 2385246 3180328 4372951 4770492 8745902 9540984 13118853 17491804 26237706 34983608 48102461 52475412 96204922 104950824 144307383 192409844 288614766 384819688 529127071 577229532 1058254142 1154459064 1587381213 2116508284 3174762426 4233016568 6349524852 12699049704