Search a number
-
+
47910221140 = 2258328861579
BaseRepresentation
bin101100100111101010…
…111111010101010100
311120122221112101221211
4230213222333111110
51241110004034030
634002030151204
73314155106005
oct544752772524
9146587471854
1047910221140
1119356086291
129351052504
134696b202a2
142466d851ac
1513a619b12a
hexb27abf554

47910221140 has 24 divisors (see below), whose sum is σ = 101823654240. Its totient is φ = 18933195168.

The previous prime is 47910221119. The next prime is 47910221171. The reversal of 47910221140 is 4112201974.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14429130 + ... + 14432449.

It is an arithmetic number, because the mean of its divisors is an integer number (4242652260).

Almost surely, 247910221140 is an apocalyptic number.

It is an amenable number.

47910221140 is an abundant number, since it is smaller than the sum of its proper divisors (53913433100).

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

47910221140 is a wasteful number, since it uses less digits than its factorization.

47910221140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28861671 (or 28861669 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 31.

The spelling of 47910221140 in words is "forty-seven billion, nine hundred ten million, two hundred twenty-one thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 83 166 332 415 830 1660 28861579 57723158 115446316 144307895 288615790 577231580 2395511057 4791022114 9582044228 11977555285 23955110570 47910221140