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3643134980 = 225182156749
BaseRepresentation
bin1101100100100101…
…1101010000000100
3100101220012102200012
43121021131100010
524430120304410
61401301005352
7156165064532
oct33111352004
910356172605
103643134980
1115aa500261
128580b3858
13460a03894
14267bbb152
15164c82605
hexd925d404

3643134980 has 12 divisors (see below), whose sum is σ = 7650583500. Its totient is φ = 1457253984.

The previous prime is 3643134961. The next prime is 3643134997. The reversal of 3643134980 is 894313463.

It can be written as a sum of positive squares in 2 ways, for example, as 2053358596 + 1589776384 = 45314^2 + 39872^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91078355 + ... + 91078394.

It is an arithmetic number, because the mean of its divisors is an integer number (637548625).

Almost surely, 23643134980 is an apocalyptic number.

It is an amenable number.

3643134980 is an abundant number, since it is smaller than the sum of its proper divisors (4007448520).

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

3643134980 is a wasteful number, since it uses less digits than its factorization.

3643134980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182156758 (or 182156756 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 41.

The square root of 3643134980 is about 60358.3878180987. The cubic root of 3643134980 is about 1538.7158266248.

The spelling of 3643134980 in words is "three billion, six hundred forty-three million, one hundred thirty-four thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 182156749 364313498 728626996 910783745 1821567490 3643134980