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253982751380 = 225311783229753
BaseRepresentation
bin1110110010001010001…
…1010011101010010100
3220021120111100120220122
43230202203103222110
513130124041021010
6312402243451112
724230633523551
oct3544243235224
9807514316818
10253982751380
1198793707316
1241282386a98
131ac48251607
14c415755a28
1569177d3855
hex3b228d3a94

253982751380 has 48 divisors (see below), whose sum is σ = 550880246784. Its totient is φ = 98260335360.

The previous prime is 253982751307. The next prime is 253982751403. The reversal of 253982751380 is 83157289352.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 990584 + ... + 1220336.

It is an arithmetic number, because the mean of its divisors is an integer number (11476671808).

Almost surely, 2253982751380 is an apocalyptic number.

253982751380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

253982751380 is an abundant number, since it is smaller than the sum of its proper divisors (296897495404).

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

253982751380 is a wasteful number, since it uses less digits than its factorization.

253982751380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231576 (or 231574 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 53.

The spelling of 253982751380 in words is "two hundred fifty-three billion, nine hundred eighty-two million, seven hundred fifty-one thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 31 62 124 155 310 620 1783 3566 7132 8915 17830 35660 55273 110546 221092 229753 276365 459506 552730 919012 1105460 1148765 2297530 4595060 7122343 14244686 28489372 35611715 71223430 142446860 409649599 819299198 1638598396 2048247995 4096495990 8192991980 12699137569 25398275138 50796550276 63495687845 126991375690 253982751380