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102343104004020 = 2235114353179380117
BaseRepresentation
bin10111010001010010011100…
…010110111111111110110100
3111102100220102212212200112020
4113101102130112333332310
5101403242134111112040
61001355434541153140
730362021344436115
oct2721223426777664
9442326385780466
10102343104004020
112a678515149480
12b58a94255b7b0
134514bb4688b29
141b3b60b32c20c
15bc72a41cccd0
hex5d149c5bffb4

102343104004020 has 384 divisors, whose sum is σ = 327738834339840. Its totient is φ = 23643336837120.

The previous prime is 102343104004019. The next prime is 102343104004021. The reversal of 102343104004020 is 20400401343201.

It is an interprime number because it is at equal distance from previous prime (102343104004019) and next prime (102343104004021).

It is a super-2 number, since 2×1023431040040202 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102343104004021) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 269051002 + ... + 269431118.

It is an arithmetic number, because the mean of its divisors is an integer number (853486547760).

Almost surely, 2102343104004020 is an apocalyptic number.

102343104004020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102343104004020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163869417169920).

102343104004020 is an abundant number, since it is smaller than the sum of its proper divisors (225395730335820).

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

102343104004020 is a wasteful number, since it uses less digits than its factorization.

102343104004020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380415 (or 380413 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 102343104004020 its reverse (20400401343201), we get a palindrome (122743505347221).

The spelling of 102343104004020 in words is "one hundred two trillion, three hundred forty-three billion, one hundred four million, four thousand, twenty".