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102080631502 = 251040315751
BaseRepresentation
bin101111100010001111…
…0101101001011001110
3100202111011201101002201
41133010132231023032
53133030120202002
6114521210112114
710242440023363
oct1370436551316
9322434641081
10102080631502
113a323945373
121794a71b63a
13981a8a8745
144d2550846a
1529c6c28087
hex17c47ad2ce

102080631502 has 4 divisors (see below), whose sum is σ = 153120947256. Its totient is φ = 51040315750.

The previous prime is 102080631491. The next prime is 102080631571. The reversal of 102080631502 is 205136080201.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×1020806315022 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25520157874 + ... + 25520157877.

It is an arithmetic number, because the mean of its divisors is an integer number (38280236814).

Almost surely, 2102080631502 is an apocalyptic number.

102080631502 is a deficient number, since it is larger than the sum of its proper divisors (51040315754).

102080631502 is an equidigital number, since it uses as much as digits as its factorization.

102080631502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51040315753.

The product of its (nonzero) digits is 2880, while the sum is 28.

The spelling of 102080631502 in words is "one hundred two billion, eighty million, six hundred thirty-one thousand, five hundred two".

Divisors: 1 2 51040315751 102080631502