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47309063220 = 22325757347197
BaseRepresentation
bin101100000011110101…
…110000010000110100
311112010001100102022200
4230003311300100310
51233342110010340
633422233224500
73263235255006
oct540365602064
9145101312280
1047309063220
1119077807461
129203862130
1345cc40a643
14240b1ba376
15136d500330
hexb03d70434

47309063220 has 72 divisors (see below), whose sum is σ = 143694141864. Its totient is φ = 12599048448.

The previous prime is 47309063201. The next prime is 47309063233. The reversal of 47309063220 is 2236090374.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 7249841316 + 40059221904 = 85146^2 + 200148^2 .

It is a super-3 number, since 3×473090632203 (a number of 33 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37339 + ... + 309858.

Almost surely, 247309063220 is an apocalyptic number.

It is an amenable number.

47309063220 is an abundant number, since it is smaller than the sum of its proper divisors (96385078644).

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

47309063220 is a wasteful number, since it uses less digits than its factorization.

47309063220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347969 (or 347964 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 36.

The spelling of 47309063220 in words is "forty-seven billion, three hundred nine million, sixty-three thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 757 1514 2271 3028 3785 4542 6813 7570 9084 11355 13626 15140 22710 27252 34065 45420 68130 136260 347197 694394 1041591 1388788 1735985 2083182 3124773 3471970 4166364 5207955 6249546 6943940 10415910 12499092 15623865 20831820 31247730 62495460 262828129 525656258 788484387 1051312516 1314140645 1576968774 2365453161 2628281290 3153937548 3942421935 4730906322 5256562580 7884843870 9461812644 11827265805 15769687740 23654531610 47309063220