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102542344250 = 253676121931
BaseRepresentation
bin101111110000000000…
…0000000000000111010
3100210200100111210220212
41133200000000000322
53140001320004000
6115035102151122
710260044354603
oct1374000000072
9323610453825
10102542344250
113a540530a55
1217a592824a2
139892446758
144d6a974daa
152a0252bc35
hex17e000003a

102542344250 has 32 divisors (see below), whose sum is σ = 194824363968. Its totient is φ = 40404738000.

The previous prime is 102542344249. The next prime is 102542344277. The reversal of 102542344250 is 52443245201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3044216 + ... + 3077715.

It is an arithmetic number, because the mean of its divisors is an integer number (6088261374).

Almost surely, 2102542344250 is an apocalyptic number.

102542344250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102542344250 is a deficient number, since it is larger than the sum of its proper divisors (92282019718).

102542344250 is an equidigital number, since it uses as much as digits as its factorization.

102542344250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6122015 (or 6122005 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 32.

Adding to 102542344250 its reverse (52443245201), we get a palindrome (154985589451).

The spelling of 102542344250 in words is "one hundred two billion, five hundred forty-two million, three hundred forty-four thousand, two hundred fifty".

Divisors: 1 2 5 10 25 50 67 125 134 250 335 670 1675 3350 8375 16750 6121931 12243862 30609655 61219310 153048275 306096550 410169377 765241375 820338754 1530482750 2050846885 4101693770 10254234425 20508468850 51271172125 102542344250