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102710635225 = 5211258272
BaseRepresentation
bin101111110101000000…
…1111110101011011001
3100211010002011212201221
41133222001332223121
53140322410311400
6115103513212041
710264156665052
oct1375201765331
9324102155657
10102710635225
113a617526500
1217aa5701021
1398bb27ac03
144d85061729
152a121c0c1a
hex17ea07ead9

102710635225 has 27 divisors (see below), whose sum is σ = 140016078111. Its totient is φ = 74685824400.

The previous prime is 102710635211. The next prime is 102710635229. The reversal of 102710635225 is 522536017201.

The square root of 102710635225 is 320485.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 36975828681 + 65734806544 = 192291^2 + 256388^2 .

It is a de Polignac number, because none of the positive numbers 2k-102710635225 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102710635229) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 17623762 + ... + 17629588.

Almost surely, 2102710635225 is an apocalyptic number.

102710635225 is the 320485-th square number.

102710635225 is the 160243-rd centered octagonal number.

It is an amenable number.

102710635225 is a deficient number, since it is larger than the sum of its proper divisors (37305442886).

102710635225 is an frugal number, since it uses more digits than its factorization.

102710635225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11686 (or 5843 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 34.

The spelling of 102710635225 in words is "one hundred two billion, seven hundred ten million, six hundred thirty-five thousand, two hundred twenty-five".

Divisors: 1 5 11 25 55 121 275 605 3025 5827 29135 64097 145675 320485 705067 1602425 3525335 17626675 33953929 169769645 373493219 848848225 1867466095 4108425409 9337330475 20542127045 102710635225