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258312422380 = 22583155609893
BaseRepresentation
bin1111000010010010011…
…1101100001111101100
3220200202020101122221211
43300210213230033230
513213010440004010
6314400031404204
724443136235225
oct3604447541754
9820666348854
10258312422380
119a6056a0211
1242090383664
131b48825c10c
14c7067a424c
156abc97908a
hex3c249ec3ec

258312422380 has 24 divisors (see below), whose sum is σ = 548991706032. Its totient is φ = 102080089152.

The previous prime is 258312422339. The next prime is 258312422399. The reversal of 258312422380 is 83224213852.

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, 77803287 + ... + 77806606.

It is an arithmetic number, because the mean of its divisors is an integer number (22874654418).

Almost surely, 2258312422380 is an apocalyptic number.

258312422380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

258312422380 is an abundant number, since it is smaller than the sum of its proper divisors (290679283652).

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

258312422380 is a wasteful number, since it uses less digits than its factorization.

258312422380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155609985 (or 155609983 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 40.

The spelling of 258312422380 in words is "two hundred fifty-eight billion, three hundred twelve million, four hundred twenty-two thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 83 166 332 415 830 1660 155609893 311219786 622439572 778049465 1556098930 3112197860 12915621119 25831242238 51662484476 64578105595 129156211190 258312422380