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47821492322 = 2101215312
BaseRepresentation
bin101100100010011000…
…100001000001100010
311120102202120111220022
4230202120201001202
51240414300223242
633545140313442
73312026656262
oct544230410142
9146382514808
1047821492322
111930aa92a8a
1293273a2882
134681624b26
1424592897a2
15139d4c10d2
hexb22621062

47821492322 has 18 divisors (see below), whose sum is σ = 72496843137. Its totient is φ = 23658543000.

The previous prime is 47821492319. The next prime is 47821492349. The reversal of 47821492322 is 22329412874.

It can be written as a sum of positive squares in 2 ways, for example, as 33192831721 + 14628660601 = 182189^2 + 120949^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=154631.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 31234697 + ... + 31236227.

Almost surely, 247821492322 is an apocalyptic number.

47821492322 is a deficient number, since it is larger than the sum of its proper divisors (24675350815).

47821492322 is an frugal number, since it uses more digits than its factorization.

47821492322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3266 (or 1634 counting only the distinct ones).

The product of its digits is 387072, while the sum is 44.

The spelling of 47821492322 in words is "forty-seven billion, eight hundred twenty-one million, four hundred ninety-two thousand, three hundred twenty-two".

Divisors: 1 2 101 202 1531 3062 10201 20402 154631 309262 2343961 4687922 15617731 31235462 236740061 473480122 23910746161 47821492322