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253525031354250 = 23253521267780789
BaseRepresentation
bin111001101001010001100101…
…011011110111111110001010
31020020122202102100011212011100
4321221101211123313332022
5231212223231011314000
62255111442550242230
7104254402422132525
oct7151214533677612
91206582370155140
10253525031354250
11738653a88a7537
1224526a24056376
13ab60400523526
144686969933bbc
151e49b7b88da00
hexe694656f7f8a

253525031354250 has 192 divisors, whose sum is σ = 687112563065760. Its totient is φ = 67450870656000.

The previous prime is 253525031354219. The next prime is 253525031354263. The reversal of 253525031354250 is 52453130525352.

253525031354250 is a `hidden beast` number, since 2 + 5 + 3 + 5 + 2 + 50 + 3 + 1 + 3 + 542 + 50 = 666.

It can be written as a sum of positive squares in 16 ways, for example, as 151256570446881 + 102268460907369 = 12298641^2 + 10112787^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 253525031354196 and 253525031354205.

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, 3138072856 + ... + 3138153644.

Almost surely, 2253525031354250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 253525031354250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (343556281532880).

253525031354250 is an abundant number, since it is smaller than the sum of its proper divisors (433587531711510).

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

253525031354250 is a wasteful number, since it uses less digits than its factorization.

253525031354250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84010 (or 83997 counting only the distinct ones).

The product of its (nonzero) digits is 2700000, while the sum is 45.

The spelling of 253525031354250 in words is "two hundred fifty-three trillion, five hundred twenty-five billion, thirty-one million, three hundred fifty-four thousand, two hundred fifty".