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47211957052 = 2213907922251
BaseRepresentation
bin101011111110000011…
…010100101100111100
311111212021121220200221
4223332003110230330
51233142230111202
633404444031124
73260646004441
oct537603245474
9144767556627
1047211957052
1119027a12127
1291972324a4
1345b526b080
1423dc33d9c8
151364c1d037
hexafe0d4b3c

47211957052 has 12 divisors (see below), whose sum is σ = 88976380696. Its totient is φ = 21790134000.

The previous prime is 47211957047. The next prime is 47211957077. The reversal of 47211957052 is 25075911274.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 453961074 + ... + 453961177.

Almost surely, 247211957052 is an apocalyptic number.

It is an amenable number.

47211957052 is a deficient number, since it is larger than the sum of its proper divisors (41764423644).

47211957052 is a wasteful number, since it uses less digits than its factorization.

47211957052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 907922268 (or 907922266 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 43.

The spelling of 47211957052 in words is "forty-seven billion, two hundred eleven million, nine hundred fifty-seven thousand, fifty-two".

Divisors: 1 2 4 13 26 52 907922251 1815844502 3631689004 11802989263 23605978526 47211957052