Search a number
-
+
125680232751 = 32272574431621
BaseRepresentation
bin111010100001100100…
…0000010100100101111
3110000101212112022222020
41311003020002210233
54024343114422001
6133423043321223
712036321231513
oct1650310024457
9400355468866
10125680232751
1149334240057
1220436080213
13bb0bc53b38
1461238b8143
1534089c7736
hex1d4320292f

125680232751 has 32 divisors (see below), whose sum is σ = 169452649728. Its totient is φ = 82854420480.

The previous prime is 125680232749. The next prime is 125680232753. The reversal of 125680232751 is 157232086521.

It is an interprime number because it is at equal distance from previous prime (125680232749) and next prime (125680232753).

It is not a de Polignac number, because 125680232751 - 21 = 125680232749 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125680232753) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 77531721 + ... + 77533341.

It is an arithmetic number, because the mean of its divisors is an integer number (5295395304).

Almost surely, 2125680232751 is an apocalyptic number.

125680232751 is a deficient number, since it is larger than the sum of its proper divisors (43772416977).

125680232751 is a wasteful number, since it uses less digits than its factorization.

125680232751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2551.

The product of its (nonzero) digits is 201600, while the sum is 42.

The spelling of 125680232751 in words is "one hundred twenty-five billion, six hundred eighty million, two hundred thirty-two thousand, seven hundred fifty-one".

Divisors: 1 3 227 257 443 681 771 1329 1621 4863 58339 100561 113851 175017 301683 341553 367967 416597 718103 1103901 1249791 2154309 25844177 77532531 94567519 163009381 184552471 283702557 489028143 553657413 41893410917 125680232751