Search a number
-
+
131880052400 = 2452329700131
BaseRepresentation
bin111101011010010101…
…0011110011010110000
3110121101221120210200012
41322310222132122300
54130042243134100
6140330155114052
712346052643455
oct1726452363260
9417357523605
10131880052400
1150a25940348
1221686442928
13c589542a85
14655105d82c
15366ce31135
hex1eb4a9e6b0

131880052400 has 30 divisors (see below), whose sum is σ = 316841826852. Its totient is φ = 52752020800.

The previous prime is 131880052373. The next prime is 131880052411. The reversal of 131880052400 is 4250088131.

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, 164849666 + ... + 164850465.

Almost surely, 2131880052400 is an apocalyptic number.

131880052400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131880052400 is an abundant number, since it is smaller than the sum of its proper divisors (184961774452).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131880052400 is a wasteful number, since it uses less digits than its factorization.

131880052400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329700149 (or 329700138 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 32.

The spelling of 131880052400 in words is "one hundred thirty-one billion, eight hundred eighty million, fifty-two thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 329700131 659400262 1318800524 1648500655 2637601048 3297001310 5275202096 6594002620 8242503275 13188005240 16485006550 26376010480 32970013100 65940026200 131880052400