Search a number
-
+
47690742470 = 257681296321
BaseRepresentation
bin101100011010100101…
…101111101011000110
311120002122112201211012
4230122211233223012
51240132312224340
633524150042222
73305551423340
oct543245575306
9146078481735
1047690742470
11192531a9758
1292ab649372
134660505c57
142445b72290
151391c95565
hexb1a96fac6

47690742470 has 16 divisors (see below), whose sum is σ = 98106670368. Its totient is φ = 16351111680.

The previous prime is 47690742467. The next prime is 47690742493. The reversal of 47690742470 is 7424709674.

It is a Curzon number.

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, 340648091 + ... + 340648230.

It is an arithmetic number, because the mean of its divisors is an integer number (6131666898).

Almost surely, 247690742470 is an apocalyptic number.

47690742470 is an abundant number, since it is smaller than the sum of its proper divisors (50415927898).

47690742470 is a wasteful number, since it uses less digits than its factorization.

47690742470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681296335.

The product of its (nonzero) digits is 2370816, while the sum is 50.

The spelling of 47690742470 in words is "forty-seven billion, six hundred ninety million, seven hundred forty-two thousand, four hundred seventy".

Divisors: 1 2 5 7 10 14 35 70 681296321 1362592642 3406481605 4769074247 6812963210 9538148494 23845371235 47690742470