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47749512054 = 2310774376187
BaseRepresentation
bin101100011110000101…
…111011101101110110
311120020202010112112110
4230132011323231312
51240242333341204
633534045431450
73310164104256
oct543605735566
9146222115473
1047749512054
111928339a162
12930726b586
13466c741b5a
14244d8ad966
151397003889
hexb1e17bb76

47749512054 has 16 divisors (see below), whose sum is σ = 96391539648. Its totient is φ = 15767751432.

The previous prime is 47749512001. The next prime is 47749512073. The reversal of 47749512054 is 45021594774.

It is a super-4 number, since 4×477495120544 (a number of 44 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 47749511994 and 47749512012.

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, 37187452 + ... + 37188735.

It is an arithmetic number, because the mean of its divisors is an integer number (6024471228).

Almost surely, 247749512054 is an apocalyptic number.

47749512054 is an abundant number, since it is smaller than the sum of its proper divisors (48642027594).

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

47749512054 is a wasteful number, since it uses less digits than its factorization.

47749512054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74376299.

The product of its (nonzero) digits is 1411200, while the sum is 48.

The spelling of 47749512054 in words is "forty-seven billion, seven hundred forty-nine million, five hundred twelve thousand, fifty-four".

Divisors: 1 2 3 6 107 214 321 642 74376187 148752374 223128561 446257122 7958252009 15916504018 23874756027 47749512054