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88170520242 = 23714914399791
BaseRepresentation
bin101001000011101011…
…1110101111010110010
322102120202101111200210
41102013113311322302
52421033123121432
6104301024124550
76240643025220
oct1220727657262
9272522344623
1088170520242
1134435a61952
1215108166756
138411aacc8c
1443a5d4db10
15246094d8cc
hex14875f5eb2

88170520242 has 64 divisors (see below), whose sum is σ = 203046912000. Its totient is φ = 25002563520.

The previous prime is 88170520241. The next prime is 88170520253. The reversal of 88170520242 is 24202507188.

It is a self number, because there is not a number n which added to its sum of digits gives 88170520242.

It is not an unprimeable number, because it can be changed into a prime (88170520241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9000367 + ... + 9010157.

It is an arithmetic number, because the mean of its divisors is an integer number (3172608000).

Almost surely, 288170520242 is an apocalyptic number.

88170520242 is an abundant number, since it is smaller than the sum of its proper divisors (114876391758).

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

88170520242 is a wasteful number, since it uses less digits than its factorization.

88170520242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11391.

The product of its (nonzero) digits is 71680, while the sum is 39.

The spelling of 88170520242 in words is "eighty-eight billion, one hundred seventy million, five hundred twenty thousand, two hundred forty-two".

Divisors: 1 2 3 6 7 14 21 42 149 298 447 894 1043 1439 2086 2878 3129 4317 6258 8634 9791 10073 19582 20146 29373 30219 58746 60438 68537 137074 205611 214411 411222 428822 643233 1286466 1458859 1500877 2917718 3001754 4376577 4502631 8753154 9005262 10212013 14089249 20424026 28178498 30636039 42267747 61272078 84535494 98624743 197249486 295874229 591748458 2099298101 4198596202 6297894303 12595788606 14695086707 29390173414 44085260121 88170520242