Search a number
-
+
130525555531 = 7174911066063
BaseRepresentation
bin111100110001111101…
…1011110101101001011
3110110220112212020021111
41321203323132231023
54114304020234111
6135543531351151
712300354626140
oct1714373365513
9413815766244
10130525555531
11503a0300848
12213688b24b7
13c401a36937
1464631d43c7
1535de078a21
hex1e63edeb4b

130525555531 has 8 divisors (see below), whose sum is σ = 149180731904. Its totient is φ = 111872546280.

The previous prime is 130525555507. The next prime is 130525555553. The reversal of 130525555531 is 135555525031.

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 130525555531 - 27 = 130525555403 is a prime.

It is a super-2 number, since 2×1305255555312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130525555571) 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, 410595 + ... + 655468.

It is an arithmetic number, because the mean of its divisors is an integer number (18647591488).

Almost surely, 2130525555531 is an apocalyptic number.

130525555531 is a deficient number, since it is larger than the sum of its proper divisors (18655176373).

130525555531 is a wasteful number, since it uses less digits than its factorization.

130525555531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1083561.

The product of its (nonzero) digits is 281250, while the sum is 40.

The spelling of 130525555531 in words is "one hundred thirty billion, five hundred twenty-five million, five hundred fifty-five thousand, five hundred thirty-one".

Divisors: 1 7 17491 122437 1066063 7462441 18646507933 130525555531