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102423717030 = 23512292777969
BaseRepresentation
bin101111101100011101…
…1011110010010100110
3100210101002021220222010
41133120323132102212
53134230432421110
6115015223415050
710254104141625
oct1373073362246
9323332256863
10102423717030
113a48a577628
1217a255b4486
1398739b062b
144d58cd56bc
1529e6de8020
hex17d8ede4a6

102423717030 has 32 divisors (see below), whose sum is σ = 246017023200. Its totient is φ = 27290757632.

The previous prime is 102423717017. The next prime is 102423717037. The reversal of 102423717030 is 30717324201.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102423717037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1352115 + ... + 1425854.

It is an arithmetic number, because the mean of its divisors is an integer number (7688031975).

Almost surely, 2102423717030 is an apocalyptic number.

102423717030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102423717030 is an abundant number, since it is smaller than the sum of its proper divisors (143593306170).

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

102423717030 is a wasteful number, since it uses less digits than its factorization.

102423717030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2779208.

The product of its (nonzero) digits is 7056, while the sum is 30.

The spelling of 102423717030 in words is "one hundred two billion, four hundred twenty-three million, seven hundred seventeen thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 1229 2458 3687 6145 7374 12290 18435 36870 2777969 5555938 8333907 13889845 16667814 27779690 41669535 83339070 3414123901 6828247802 10242371703 17070619505 20484743406 34141239010 51211858515 102423717030