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38964947900 = 22523710531067
BaseRepresentation
bin100100010010011111…
…011110101110111100
310201120112102102221112
4210102133132232330
51114300011313100
625522242021152
72546405410124
oct442237365674
9121515372845
1038964947900
111558577408a
1276753477b8
13389c7c19b8
141c58d37c84
151030bceb35
hex9127debbc

38964947900 has 36 divisors (see below), whose sum is σ = 86839186728. Its totient is φ = 15164735040.

The previous prime is 38964947881. The next prime is 38964947911. The reversal of 38964947900 is 974946983.

It is a self number, because there is not a number n which added to its sum of digits gives 38964947900.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5261834 + ... + 5269233.

Almost surely, 238964947900 is an apocalyptic number.

It is an amenable number.

38964947900 is an abundant number, since it is smaller than the sum of its proper divisors (47874238828).

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

38964947900 is a wasteful number, since it uses less digits than its factorization.

38964947900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10531118 (or 10531111 counting only the distinct ones).

The product of its (nonzero) digits is 11757312, while the sum is 59.

The spelling of 38964947900 in words is "thirty-eight billion, nine hundred sixty-four million, nine hundred forty-seven thousand, nine hundred".

Divisors: 1 2 4 5 10 20 25 37 50 74 100 148 185 370 740 925 1850 3700 10531067 21062134 42124268 52655335 105310670 210621340 263276675 389649479 526553350 779298958 1053106700 1558597916 1948247395 3896494790 7792989580 9741236975 19482473950 38964947900