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245155848940 = 22580915151783
BaseRepresentation
bin1110010001010001101…
…1010110001011101100
3212102210022222111010001
43210110123112023230
513004034344131230
6304342324354044
723466122222242
oct3442433261354
9772708874101
10245155848940
1194a740a3922
123b61a245924
131a16c5c9512
14bc1931c792
15659c8ea0ca
hex39146d62ec

245155848940 has 24 divisors (see below), whose sum is σ = 515463691680. Its totient is φ = 97941118848.

The previous prime is 245155848929. The next prime is 245155848943. The reversal of 245155848940 is 49848551542.

245155848940 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (245155848943) 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, 7559712 + ... + 7592071.

It is an arithmetic number, because the mean of its divisors is an integer number (21477653820).

Almost surely, 2245155848940 is an apocalyptic number.

245155848940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245155848940 is an abundant number, since it is smaller than the sum of its proper divisors (270307842740).

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

245155848940 is a wasteful number, since it uses less digits than its factorization.

245155848940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15152601 (or 15152599 counting only the distinct ones).

The product of its (nonzero) digits is 9216000, while the sum is 55.

The spelling of 245155848940 in words is "two hundred forty-five billion, one hundred fifty-five million, eight hundred forty-eight thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 809 1618 3236 4045 8090 16180 15151783 30303566 60607132 75758915 151517830 303035660 12257792447 24515584894 49031169788 61288962235 122577924470 245155848940