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231475244000 = 25537111324447
BaseRepresentation
bin1101011110010011111…
…1111110101111100000
3211010110220111202012012
43113210333332233200
512243030130302000
6254201021452052
722503113052530
oct3274477765740
9733426452165
10231475244000
118a193816950
1238a40711028
1318a9c219400
14b2bc4274c0
15604b857735
hex35e4ffebe0

231475244000 has 576 divisors, whose sum is σ = 767984136192. Its totient is φ = 66583296000.

The previous prime is 231475243973. The next prime is 231475244023. The reversal of 231475244000 is 442574132.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 52049777 + ... + 52054223.

It is an arithmetic number, because the mean of its divisors is an integer number (1333305792).

Almost surely, 2231475244000 is an apocalyptic number.

231475244000 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 231475244000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (383992068096).

231475244000 is an abundant number, since it is smaller than the sum of its proper divisors (536508892192).

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

231475244000 is a wasteful number, since it uses less digits than its factorization.

231475244000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4516 (or 4485 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 32.

The spelling of 231475244000 in words is "two hundred thirty-one billion, four hundred seventy-five million, two hundred forty-four thousand".