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245023255450120 = 23571669524315791
BaseRepresentation
bin110111101101100011101100…
…000110100101001000001000
31012010112222211221220110120111
4313231203230012211020020
5224103430111343400440
62225042043555204104
7102416226454244560
oct6755435406451010
91163488757813514
10245023255450120
1171087862a5a844
12235931945a6634
13a6947948aa074
14447129026bda0
151d4d93ce4b4ea
hexded8ec1a5208

245023255450120 has 64 divisors (see below), whose sum is σ = 630437308300800. Its totient is φ = 83957638821120.

The previous prime is 245023255450117. The next prime is 245023255450121. The reversal of 245023255450120 is 21054552320542.

It is a super-2 number, since 2×2450232554501202 (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (245023255450121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 261690576 + ... + 262625215.

It is an arithmetic number, because the mean of its divisors is an integer number (9850582942200).

Almost surely, 2245023255450120 is an apocalyptic number.

245023255450120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245023255450120 is an abundant number, since it is smaller than the sum of its proper divisors (385414052850680).

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

245023255450120 is a wasteful number, since it uses less digits than its factorization.

245023255450120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524317478 (or 524317474 counting only the distinct ones).

The product of its (nonzero) digits is 480000, while the sum is 40.

The spelling of 245023255450120 in words is "two hundred forty-five trillion, twenty-three billion, two hundred fifty-five million, four hundred fifty thousand, one hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 1669 3338 6676 8345 11683 13352 16690 23366 33380 46732 58415 66760 93464 116830 233660 467320 524315791 1048631582 2097263164 2621578955 3670210537 4194526328 5243157910 7340421074 10486315820 14680842148 18351052685 20972631640 29361684296 36702105370 73404210740 146808421480 875083055179 1750166110358 3500332220716 4375415275895 6125581386253 7000664441432 8750830551790 12251162772506 17501661103580 24502325545012 30627906931265 35003322207160 49004651090024 61255813862530 122511627725060 245023255450120