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245934332920 = 23513146934033
BaseRepresentation
bin1110010100001011010…
…1000001101111111000
3212111210120211120101001
43211002311001233320
513012133142123140
6304551454134344
723524324223653
oct3450265015770
9774716746331
10245934332920
1195333579411
123b7b6ab13b4
131a264987c23
14bc9088689a
1565e5e21e9a
hex3942d41bf8

245934332920 has 32 divisors (see below), whose sum is σ = 557576323920. Its totient is φ = 97622786560.

The previous prime is 245934332911. The next prime is 245934332923. The reversal of 245934332920 is 29233439542.

245934332920 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2459343329202 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245934332923) 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 7 ways as a sum of consecutive naturals, for example, 23461777 + ... + 23472256.

Almost surely, 2245934332920 is an apocalyptic number.

245934332920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245934332920 is an abundant number, since it is smaller than the sum of its proper divisors (311641991000).

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

245934332920 is a wasteful number, since it uses less digits than its factorization.

245934332920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46934175 (or 46934171 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 46.

The spelling of 245934332920 in words is "two hundred forty-five billion, nine hundred thirty-four million, three hundred thirty-two thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 131 262 524 655 1048 1310 2620 5240 46934033 93868066 187736132 234670165 375472264 469340330 938680660 1877361320 6148358323 12296716646 24593433292 30741791615 49186866584 61483583230 122967166460 245934332920