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231702045120 = 263257131923179
BaseRepresentation
bin1101011111001010000…
…1001010000111000000
3211011001201021102211200
43113302201022013000
512244011210420440
6254235322541200
722511535613350
oct3276241120700
9734051242750
10231702045120
118a29a844997
1238aa4667800
1318b071c8660
14b3005c4b60
156061707c30
hex35f284a1c0

231702045120 has 2016 divisors, whose sum is σ = 1082134609920. Its totient is φ = 44252282880.

The previous prime is 231702045077. The next prime is 231702045137. The reversal of 231702045120 is 21540207132.

231702045120 is a `hidden beast` number, since 2 + 3 + 170 + 20 + 451 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (2016).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 2932937241 + ... + 2932937319.

It is an arithmetic number, because the mean of its divisors is an integer number (536773120).

Almost surely, 2231702045120 is an apocalyptic number.

231702045120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231702045120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (541067304960).

231702045120 is an abundant number, since it is smaller than the sum of its proper divisors (850432564800).

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

231702045120 is a wasteful number, since it uses less digits than its factorization.

231702045120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191 (or 159 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The spelling of 231702045120 in words is "two hundred thirty-one billion, seven hundred two million, forty-five thousand, one hundred twenty".