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78213700724433 = 3231133531894557
BaseRepresentation
bin10001110010001010001011…
…110110010010011011010001
3101020221011020021121202211120
4101302022023312102123101
540222423124341140213
6434202513355432453
722321516262603301
oct2162121366223321
9336834207552746
1078213700724433
1122a1527603960a
12893240a155729
13348469c222a61
1415457c5a37601
159097b7ae9423
hex47228bd926d1

78213700724433 has 8 divisors (see below), whose sum is σ = 108819061877568. Its totient is φ = 49875403360464.

The previous prime is 78213700724407. The next prime is 78213700724447. The reversal of 78213700724433 is 33442700731287.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 78213700724433 - 234 = 78196520855249 is a prime.

It is a super-2 number, since 2×782137007244332 (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (78213700724633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 566765947210 + ... + 566765947347.

It is an arithmetic number, because the mean of its divisors is an integer number (13602382734696).

Almost surely, 278213700724433 is an apocalyptic number.

It is an amenable number.

78213700724433 is a deficient number, since it is larger than the sum of its proper divisors (30605361153135).

78213700724433 is a wasteful number, since it uses less digits than its factorization.

78213700724433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1133531894583.

The product of its (nonzero) digits is 4741632, while the sum is 51.

The spelling of 78213700724433 in words is "seventy-eight trillion, two hundred thirteen billion, seven hundred million, seven hundred twenty-four thousand, four hundred thirty-three".

Divisors: 1 3 23 69 1133531894557 3400595683671 26071233574811 78213700724433