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42786319704 = 23314891197289
BaseRepresentation
bin100111110110010000…
…110110110101011000
311002102212000020120120
4213312100312311120
51200111244212304
631353351153240
73043166500602
oct476620666530
9132385006516
1042786319704
11171668422a7
128361075820
13405b3cca4b
1420dc670172
1511a641d0d9
hex9f6436d58

42786319704 has 32 divisors (see below), whose sum is σ = 107037726000. Its totient is φ = 14252516352.

The previous prime is 42786319699. The next prime is 42786319721. The reversal of 42786319704 is 40791368724.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 562909 + ... + 634380.

Almost surely, 242786319704 is an apocalyptic number.

It is an amenable number.

42786319704 is an abundant number, since it is smaller than the sum of its proper divisors (64251406296).

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

42786319704 is a wasteful number, since it uses less digits than its factorization.

42786319704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1198787 (or 1198783 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 51.

The spelling of 42786319704 in words is "forty-two billion, seven hundred eighty-six million, three hundred nineteen thousand, seven hundred four".

Divisors: 1 2 3 4 6 8 12 24 1489 2978 4467 5956 8934 11912 17868 35736 1197289 2394578 3591867 4789156 7183734 9578312 14367468 28734936 1782763321 3565526642 5348289963 7131053284 10696579926 14262106568 21393159852 42786319704