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213567040512 = 21032737131683
BaseRepresentation
bin1100011011100110010…
…1100110110000000000
3202102020212001202022100
43012321211212300000
511444341130244022
6242040014510400
721300250614660
oct3067145466000
9672225052270
10213567040512
1182634032581
1235483205400
13171a70196b7
14a49dc941a0
15584e5831ac
hex31b9966c00

213567040512 has 528 divisors, whose sum is σ = 730406806272. Its totient is φ = 58830520320.

The previous prime is 213567040429. The next prime is 213567040529. The reversal of 213567040512 is 215040765312.

213567040512 is a `hidden beast` number, since 2 + 1 + 3 + 567 + 0 + 40 + 51 + 2 = 666.

It is a super-2 number, since 2×2135670405122 (a number of 23 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 312689323 + ... + 312690005.

It is an arithmetic number, because the mean of its divisors is an integer number (1383346224).

Almost surely, 2213567040512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213567040512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (365203403136).

213567040512 is an abundant number, since it is smaller than the sum of its proper divisors (516839765760).

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

213567040512 is a wasteful number, since it uses less digits than its factorization.

213567040512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 884 (or 863 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The spelling of 213567040512 in words is "two hundred thirteen billion, five hundred sixty-seven million, forty thousand, five hundred twelve".