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231151055250 = 2353674600021
BaseRepresentation
bin1101011101000110101…
…1010011000110010010
3211002122022111020211110
43113101223103012102
512241344132232000
6254104521154150
722462065360033
oct3272153230622
9732568436743
10231151055250
118a037821065
123897002b956
1318a49ccc74b
14b28b358a8a
15602d16b850
hex35d1ad3192

231151055250 has 64 divisors (see below), whose sum is σ = 585564400512. Its totient is φ = 60720264000.

The previous prime is 231151055231. The next prime is 231151055251. The reversal of 231151055250 is 52550151132.

231151055250 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (231151055251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2249761 + ... + 2350260.

It is an arithmetic number, because the mean of its divisors is an integer number (9149443758).

Almost surely, 2231151055250 is an apocalyptic number.

231151055250 is an abundant number, since it is smaller than the sum of its proper divisors (354413345262).

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

231151055250 is a wasteful number, since it uses less digits than its factorization.

231151055250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4600108 (or 4600098 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 30.

The spelling of 231151055250 in words is "two hundred thirty-one billion, one hundred fifty-one million, fifty-five thousand, two hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 67 75 125 134 150 201 250 335 375 402 670 750 1005 1675 2010 3350 5025 8375 10050 16750 25125 50250 4600021 9200042 13800063 23000105 27600126 46000210 69000315 115000525 138000630 230001050 308201407 345001575 575002625 616402814 690003150 924604221 1150005250 1541007035 1725007875 1849208442 3082014070 3450015750 4623021105 7705035175 9246042210 15410070350 23115105525 38525175875 46230211050 77050351750 115575527625 231151055250