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83712947672484 = 223213241228612
BaseRepresentation
bin10011000010001011110000…
…100000100101010110100100
3101222101212202020221121102100
4103002023300200211112210
541433023104101004414
6454013110335012100
723430026611445304
oct2302136040452644
9358355666847370
1083712947672484
1124745509629489
12948016896a030
13379313540c100
141695a2a5b9604
159a2874c9c609
hex4c22f08255a4

83712947672484 has 243 divisors, whose sum is σ = 234944509212777. Its totient is φ = 25120806796800.

The previous prime is 83712947672429. The next prime is 83712947672489. The reversal of 83712947672484 is 48427674921738.

The square root of 83712947672484 is 9149478.

It is a perfect power (a square), and thus also a powerful number.

83712947672484 is a `hidden beast` number, since 8 + 3 + 7 + 1 + 2 + 9 + 4 + 76 + 72 + 484 = 666.

It can be written as a sum of positive squares in 13 ways, for example, as 82700654120100 + 1012293552384 = 9093990^2 + 1006128^2 .

It is not an unprimeable number, because it can be changed into a prime (83712947672489) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 29260029214 + ... + 29260032074.

Almost surely, 283712947672484 is an apocalyptic number.

83712947672484 is the 9149478-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83712947672484

83712947672484 is an abundant number, since it is smaller than the sum of its proper divisors (151231561540293).

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

83712947672484 is a wasteful number, since it uses less digits than its factorization.

83712947672484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5840 (or 2920 counting only the distinct ones).

The product of its digits is 910393344, while the sum is 72.

The spelling of 83712947672484 in words is "eighty-three trillion, seven hundred twelve billion, nine hundred forty-seven million, six hundred seventy-two thousand, four hundred eighty-four".