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2053138944 = 2931498971
BaseRepresentation
bin111101001100000…
…0110101000000000
312022002100021011010
41322120012220000
513201100421234
6535421520520
7101610251553
oct17230065000
95262307133
102053138944
11963a4174a
12493713140
1326949141c
1415696c69a
15c03ac6e9
hex7a606a00

2053138944 has 80 divisors (see below), whose sum is σ = 5507013600. Its totient is φ = 679710720.

The previous prime is 2053138937. The next prime is 2053138973. The reversal of 2053138944 is 4498313502.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 224379 + ... + 233349.

It is an arithmetic number, because the mean of its divisors is an integer number (68837670).

Almost surely, 22053138944 is an apocalyptic number.

2053138944 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2053138944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2753506800).

2053138944 is an abundant number, since it is smaller than the sum of its proper divisors (3453874656).

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

2053138944 is an equidigital number, since it uses as much as digits as its factorization.

2053138944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9141 (or 9125 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 2053138944 is about 45311.5762692052. The cubic root of 2053138944 is about 1270.9821373407.

The spelling of 2053138944 in words is "two billion, fifty-three million, one hundred thirty-eight thousand, nine hundred forty-four".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 128 149 192 256 298 384 447 512 596 768 894 1192 1536 1788 2384 3576 4768 7152 8971 9536 14304 17942 19072 26913 28608 35884 38144 53826 57216 71768 76288 107652 114432 143536 215304 228864 287072 430608 574144 861216 1148288 1336679 1722432 2296576 2673358 3444864 4010037 4593152 5346716 6889728 8020074 10693432 13779456 16040148 21386864 32080296 42773728 64160592 85547456 128321184 171094912 256642368 342189824 513284736 684379648 1026569472 2053138944