Search a number
-
+
12931203004 = 2222724159093
BaseRepresentation
bin11000000101100001…
…00111111110111100
31020101012100011201121
430002300213332330
5202440341444004
65535052320324
7635306261206
oct140260477674
936335304647
1012931203004
115536366235
12260a7730a4
1312b1064915
148a957b776
1550a3b2854
hex302c27fbc

12931203004 has 24 divisors (see below), whose sum is σ = 22823993808. Its totient is φ = 6410300160.

The previous prime is 12931202957. The next prime is 12931203053. The reversal of 12931203004 is 40030213921.

It is a super-2 number, since 2×129312030042 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12931203004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189282 + ... + 248374.

It is an arithmetic number, because the mean of its divisors is an integer number (950999742).

Almost surely, 212931203004 is an apocalyptic number.

It is an amenable number.

12931203004 is a deficient number, since it is larger than the sum of its proper divisors (9892790804).

12931203004 is a wasteful number, since it uses less digits than its factorization.

12931203004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59565 (or 59563 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 12931203004 its reverse (40030213921), we get a palindrome (52961416925).

The spelling of 12931203004 in words is "twelve billion, nine hundred thirty-one million, two hundred three thousand, four".

Divisors: 1 2 4 227 241 454 482 908 964 54707 59093 109414 118186 218828 236372 13414111 14241413 26828222 28482826 53656444 56965652 3232800751 6465601502 12931203004