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10819293642 = 2325171116239
BaseRepresentation
bin10100001001110000…
…10101000111001010
31000221000102001201100
422010320111013022
5134124214344032
64545331002230
7532053323103
oct120470250712
930830361640
1010819293642
1146522334a3
12211b439376
131035667101
14748cb13aa
15434c9697c
hex284e151ca

10819293642 has 24 divisors (see below), whose sum is σ = 23446537920. Its totient is φ = 3605702760.

The previous prime is 10819293637. The next prime is 10819293677. The reversal of 10819293642 is 24639291801.

It is a super-2 number, since 2×108192936422 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34959 + ... + 151197.

It is an arithmetic number, because the mean of its divisors is an integer number (976939080).

Almost surely, 210819293642 is an apocalyptic number.

10819293642 is an abundant number, since it is smaller than the sum of its proper divisors (12627244278).

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

10819293642 is a wasteful number, since it uses less digits than its factorization.

10819293642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121418 (or 121415 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The spelling of 10819293642 in words is "ten billion, eight hundred nineteen million, two hundred ninety-three thousand, six hundred forty-two".

Divisors: 1 2 3 6 9 18 5171 10342 15513 31026 46539 93078 116239 232478 348717 697434 1046151 2092302 601071869 1202143738 1803215607 3606431214 5409646821 10819293642