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142321525445210 = 2522962149137749
BaseRepresentation
bin100000010111000011001111…
…111101111101001001011010
3200122220210201210221022222212
4200113003033331331021122
5122123243441003221320
61222405334534115122
741656251035006516
oct4027031775751132
9618823653838885
10142321525445210
1141391246887971
1213b66a46aabaa2
136154b2950c2a7
142720581a0d146
15116c1997b79c5
hex8170cff7d25a

142321525445210 has 16 divisors (see below), whose sum is σ = 257297430285000. Its totient is φ = 56680013626176.

The previous prime is 142321525445149. The next prime is 142321525445261. The reversal of 142321525445210 is 12544525123241.

It can be written as a sum of positive squares in 4 ways, for example, as 121204752545809 + 21116772899401 = 11009303^2 + 4595299^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31074566585 + ... + 31074571164.

Almost surely, 2142321525445210 is an apocalyptic number.

142321525445210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142321525445210 is a deficient number, since it is larger than the sum of its proper divisors (114975904839790).

142321525445210 is a wasteful number, since it uses less digits than its factorization.

142321525445210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62149137985.

The product of its (nonzero) digits is 384000, while the sum is 41.

The spelling of 142321525445210 in words is "one hundred forty-two trillion, three hundred twenty-one billion, five hundred twenty-five million, four hundred forty-five thousand, two hundred ten".

Divisors: 1 2 5 10 229 458 1145 2290 62149137749 124298275498 310745688745 621491377490 14232152544521 28464305089042 71160762722605 142321525445210