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86949657007 = 831047586229
BaseRepresentation
bin101000011111010011…
…0100111100110101111
322022102200010020011221
41100332212213212233
52411033103011012
6103535532524211
76165456614203
oct1207646474657
9268380106157
1086949657007
11339698a6274
1214a27320667
138278b924b5
1442cbb4cb03
1523dd691507
hex143e9a79af

86949657007 has 4 divisors (see below), whose sum is σ = 87997243320. Its totient is φ = 85902070696.

The previous prime is 86949657001. The next prime is 86949657023. The reversal of 86949657007 is 70075694968.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 86949657007 - 227 = 86815439279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86949657001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 523793032 + ... + 523793197.

It is an arithmetic number, because the mean of its divisors is an integer number (21999310830).

Almost surely, 286949657007 is an apocalyptic number.

86949657007 is a deficient number, since it is larger than the sum of its proper divisors (1047586313).

86949657007 is a wasteful number, since it uses less digits than its factorization.

86949657007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1047586312.

The product of its (nonzero) digits is 22861440, while the sum is 61.

The spelling of 86949657007 in words is "eighty-six billion, nine hundred forty-nine million, six hundred fifty-seven thousand, seven".

Divisors: 1 83 1047586229 86949657007