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102635450121461 = 736172278711621
BaseRepresentation
bin10111010101100010101101…
…100010111011110011110101
3111110101212000222200012020112
4113111202231202323303311
5101423034400212341321
61002142024101112405
730422111063435165
oct2725425542736365
9443355028605215
10102635450121461
112a7804a49904a4
12b6175306b8705
13453663489b53a
141b4b821b425a5
15bcebb495ea5b
hex5d58ad8bbcf5

102635450121461 has 8 divisors (see below), whose sum is σ = 104210039897304. Its totient is φ = 101065417770240.

The previous prime is 102635450121437. The next prime is 102635450121469. The reversal of 102635450121461 is 164121054536201.

It can be written as a sum of positive squares in 4 ways, for example, as 1719261174436 + 100916188947025 = 1311206^2 + 10045705^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102635450121461 - 218 = 102635449859317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102635450121469) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1139310770 + ... + 1139400851.

It is an arithmetic number, because the mean of its divisors is an integer number (13026254987163).

Almost surely, 2102635450121461 is an apocalyptic number.

It is an amenable number.

102635450121461 is a deficient number, since it is larger than the sum of its proper divisors (1574589775843).

102635450121461 is an equidigital number, since it uses as much as digits as its factorization.

102635450121461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2278712311.

The product of its (nonzero) digits is 172800, while the sum is 41.

The spelling of 102635450121461 in words is "one hundred two trillion, six hundred thirty-five billion, four hundred fifty million, one hundred twenty-one thousand, four hundred sixty-one".

Divisors: 1 73 617 45041 2278711621 166345948333 1405965070157 102635450121461