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88365358421 = 2309341311213
BaseRepresentation
bin101001001001011111…
…1000101110101010101
322110002100000022102122
41102102333011311111
52421433012432141
6104332224145325
76245530103444
oct1222277056525
9273070008378
1088365358421
1134525a3973a
1215161468245
13844327a942
1443c3b8ad5b
152472ad864b
hex1492fc5d55

88365358421 has 8 divisors (see below), whose sum is σ = 88437416760. Its totient is φ = 88293333952.

The previous prime is 88365358409. The next prime is 88365358457. The reversal of 88365358421 is 12485356388.

It can be written as a sum of positive squares in 4 ways, for example, as 24614158321 + 63751200100 = 156889^2 + 252490^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 88365358421 - 26 = 88365358357 is a prime.

It is a super-2 number, since 2×883653584212 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88362358421) 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, 7875011 + ... + 7886223.

It is an arithmetic number, because the mean of its divisors is an integer number (11054677095).

Almost surely, 288365358421 is an apocalyptic number.

It is an amenable number.

88365358421 is a deficient number, since it is larger than the sum of its proper divisors (72058339).

88365358421 is a wasteful number, since it uses less digits than its factorization.

88365358421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16935.

The product of its digits is 5529600, while the sum is 53.

The spelling of 88365358421 in words is "eighty-eight billion, three hundred sixty-five million, three hundred fifty-eight thousand, four hundred twenty-one".

Divisors: 1 2309 3413 11213 7880617 25890817 38269969 88365358421