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245156852047700 = 22522451568520477
BaseRepresentation
bin110111101111100000000111…
…000101001001111101010100
31012011000202200112110210120002
4313233200013011021331110
5224113122213111011300
62225223300354030432
7102431666222503265
oct6757400705117524
91164022615423502
10245156852047700
117112948983396a
12235b5059878418
13a6a4265940138
14447792527c96c
151d5215b8ed5d5
hexdef807149f54

245156852047700 has 18 divisors (see below), whose sum is σ = 531990368943726. Its totient is φ = 98062740819040.

The previous prime is 245156852047669. The next prime is 245156852047721. The reversal of 245156852047700 is 7740258651542.

It can be written as a sum of positive squares in 3 ways, for example, as 498077416516 + 244658774631184 = 705746^2 + 15641572^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1225784260139 + ... + 1225784260338.

Almost surely, 2245156852047700 is an apocalyptic number.

245156852047700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245156852047700 is an abundant number, since it is smaller than the sum of its proper divisors (286833516896026).

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

245156852047700 is a wasteful number, since it uses less digits than its factorization.

245156852047700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2451568520491 (or 2451568520484 counting only the distinct ones).

The product of its (nonzero) digits is 18816000, while the sum is 56.

The spelling of 245156852047700 in words is "two hundred forty-five trillion, one hundred fifty-six billion, eight hundred fifty-two million, forty-seven thousand, seven hundred".

Divisors: 1 2 4 5 10 20 25 50 100 2451568520477 4903137040954 9806274081908 12257842602385 24515685204770 49031370409540 61289213011925 122578426023850 245156852047700