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201748632872 = 23193130666213
BaseRepresentation
bin1011101111100100100…
…1111101010100101000
3201021202012122102211212
42323321021331110220
511301140122222442
6232403153212252
720401343041013
oct2737111752450
9637665572755
10201748632872
1178619930a36
1233125261088
1316042695797
149a9c42637a
1553abc32a82
hex2ef927d528

201748632872 has 16 divisors (see below), whose sum is σ = 380238682740. Its totient is φ = 100351650816.

The previous prime is 201748632859. The next prime is 201748632923. The reversal of 201748632872 is 278236847102.

It can be written as a sum of positive squares in 2 ways, for example, as 200734465156 + 1014167716 = 448034^2 + 31846^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 201748632872.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65331563 + ... + 65334650.

Almost surely, 2201748632872 is an apocalyptic number.

It is an amenable number.

201748632872 is a deficient number, since it is larger than the sum of its proper divisors (178490049868).

201748632872 is a wasteful number, since it uses less digits than its factorization.

201748632872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130666412 (or 130666408 counting only the distinct ones).

The product of its (nonzero) digits is 1806336, while the sum is 50.

The spelling of 201748632872 in words is "two hundred one billion, seven hundred forty-eight million, six hundred thirty-two thousand, eight hundred seventy-two".

Divisors: 1 2 4 8 193 386 772 1544 130666213 261332426 522664852 1045329704 25218579109 50437158218 100874316436 201748632872