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6611429690 = 257321142923
BaseRepresentation
bin1100010100001001…
…00110100100111010
3122001202120102112022
412022010212210322
5102020011222230
63012013514442
7322560140135
oct61204464472
918052512468
106611429690
112892a85a88
1213461a2a22
13814966b98
1446a0cd21c
1528a6621e5
hex18a12693a

6611429690 has 32 divisors (see below), whose sum is σ = 12121050816. Its totient is φ = 2595922560.

The previous prime is 6611429689. The next prime is 6611429701. The reversal of 6611429690 is 969241166.

It is a super-2 number, since 2×66114296902 = 87422005091626992200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132569 + ... + 175491.

It is an arithmetic number, because the mean of its divisors is an integer number (378782838).

Almost surely, 26611429690 is an apocalyptic number.

6611429690 is a deficient number, since it is larger than the sum of its proper divisors (5509621126).

6611429690 is a wasteful number, since it uses less digits than its factorization.

6611429690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43214.

The product of its (nonzero) digits is 139968, while the sum is 44.

The square root of 6611429690 is about 81310.6984965693. The cubic root of 6611429690 is about 1876.8596367095.

The spelling of 6611429690 in words is "six billion, six hundred eleven million, four hundred twenty-nine thousand, six hundred ninety".

Divisors: 1 2 5 10 73 146 211 365 422 730 1055 2110 15403 30806 42923 77015 85846 154030 214615 429230 3133379 6266758 9056753 15666895 18113506 31333790 45283765 90567530 661142969 1322285938 3305714845 6611429690