Search a number
-
+
102642282400 = 2552718328979
BaseRepresentation
bin101111110010111110…
…1001110111110100000
3100210221022120012021211
41133211331032332200
53140202411014100
6115053032155504
710262400001510
oct1374575167640
9323838505254
10102642282400
113a59198aa69
1217a86838b94
1398aa068058
144d79d4b840
152a0b1bd1ba
hex17e5f4efa0

102642282400 has 72 divisors (see below), whose sum is σ = 286371983520. Its totient is φ = 35191637760.

The previous prime is 102642282397. The next prime is 102642282409. The reversal of 102642282400 is 4282246201.

It is not an unprimeable number, because it can be changed into a prime (102642282409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9158890 + ... + 9170089.

It is an arithmetic number, because the mean of its divisors is an integer number (3977388660).

Almost surely, 2102642282400 is an apocalyptic number.

102642282400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102642282400 is an abundant number, since it is smaller than the sum of its proper divisors (183729701120).

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

102642282400 is a wasteful number, since it uses less digits than its factorization.

102642282400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18329006 (or 18328993 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 31.

The spelling of 102642282400 in words is "one hundred two billion, six hundred forty-two million, two hundred eighty-two thousand, four hundred".

Divisors: 1 2 4 5 7 8 10 14 16 20 25 28 32 35 40 50 56 70 80 100 112 140 160 175 200 224 280 350 400 560 700 800 1120 1400 2800 5600 18328979 36657958 73315916 91644895 128302853 146631832 183289790 256605706 293263664 366579580 458224475 513211412 586527328 641514265 733159160 916448950 1026422824 1283028530 1466318320 1832897900 2052845648 2566057060 2932636640 3207571325 3665795800 4105691296 5132114120 6415142650 7331591600 10264228240 12830285300 14663183200 20528456480 25660570600 51321141200 102642282400