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103143959725 = 524125758389
BaseRepresentation
bin110000000001111011…
…0111110110010101101
3100212020021120001012111
41200003312332302231
53142214323202400
6115214513004021
710311001122562
oct1400366766255
9325207501174
10103143959725
113a81a092624
1217ba6853611
139959c89741
144dc681c869
152a3a2683ba
hex1803dbecad

103143959725 has 6 divisors (see below), whose sum is σ = 127898510090. Its totient is φ = 82515167760.

The previous prime is 103143959707. The next prime is 103143959741. The reversal of 103143959725 is 527959341301.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 1572994921 + 101570964804 = 39661^2 + 318702^2 .

It is not a de Polignac number, because 103143959725 - 217 = 103143828653 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2062879170 + ... + 2062879219.

Almost surely, 2103143959725 is an apocalyptic number.

It is an amenable number.

103143959725 is a deficient number, since it is larger than the sum of its proper divisors (24754550365).

103143959725 is an equidigital number, since it uses as much as digits as its factorization.

103143959725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4125758399 (or 4125758394 counting only the distinct ones).

The product of its (nonzero) digits is 1020600, while the sum is 49.

The spelling of 103143959725 in words is "one hundred three billion, one hundred forty-three million, nine hundred fifty-nine thousand, seven hundred twenty-five".

Divisors: 1 5 25 4125758389 20628791945 103143959725