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8701421739 = 35521525353
BaseRepresentation
bin10000001101010010…
…10010100010101011
3211110102021000122020
420012221102202223
5120310030443424
63555233355523
7425425602333
oct100651224253
924412230566
108701421739
1137657a8a3a
12182a108ba3
13a8895c67a
145c78d20c3
1535dd9e079
hex206a528ab

8701421739 has 8 divisors (see below), whose sum is σ = 11604019152. Its totient is φ = 5799886080.

The previous prime is 8701421737. The next prime is 8701421753. The reversal of 8701421739 is 9371241078.

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

It is not a de Polignac number, because 8701421739 - 21 = 8701421737 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8701421739.

It is not an unprimeable number, because it can be changed into a prime (8701421731) 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, 246114 + ... + 279239.

It is an arithmetic number, because the mean of its divisors is an integer number (1450502394).

Almost surely, 28701421739 is an apocalyptic number.

8701421739 is a deficient number, since it is larger than the sum of its proper divisors (2902597413).

8701421739 is a wasteful number, since it uses less digits than its factorization.

8701421739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530877.

The product of its (nonzero) digits is 84672, while the sum is 42.

The square root of 8701421739 is about 93281.4115405636. The cubic root of 8701421739 is about 2056.8221447774.

The spelling of 8701421739 in words is "eight billion, seven hundred one million, four hundred twenty-one thousand, seven hundred thirty-nine".

Divisors: 1 3 5521 16563 525353 1576059 2900473913 8701421739