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230131237372 = 22192244765129
BaseRepresentation
bin1101011001010011100…
…1000000000111111100
3211000000020112010200221
43112110321000013330
512232302044043442
6253415411031124
722424603146051
oct3262471000774
9730006463627
10230131237372
11896640a1873
123872659b4a4
131891694400a
14b1d1b2d028
155ebd873467
hex3594e401fc

230131237372 has 36 divisors (see below), whose sum is σ = 425221786080. Its totient is φ = 108963312192.

The previous prime is 230131237367. The next prime is 230131237381. The reversal of 230131237372 is 273732131032.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3500904 + ... + 3566032.

It is an arithmetic number, because the mean of its divisors is an integer number (11811716280).

Almost surely, 2230131237372 is an apocalyptic number.

It is an amenable number.

230131237372 is a deficient number, since it is larger than the sum of its proper divisors (195090548708).

230131237372 is a wasteful number, since it uses less digits than its factorization.

230131237372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67618 (or 67597 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 34.

The spelling of 230131237372 in words is "two hundred thirty billion, one hundred thirty-one million, two hundred thirty-seven thousand, three hundred seventy-two".

Divisors: 1 2 4 19 38 76 361 722 1444 2447 4894 9788 46493 65129 92986 130258 185972 260516 883367 1237451 1766734 2474902 3533468 4949804 23511569 47023138 94046276 159370663 318741326 637482652 3028042597 6056085194 12112170388 57532809343 115065618686 230131237372