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10129945248 = 253237950633
BaseRepresentation
bin10010110111100101…
…01011001010100000
3222010222021112111100
421123302223022200
5131221231221443
64353103514400
7506013054033
oct113362531240
928128245440
1010129945248
1143290a9885
121b685b8a00
13c558b7057
146c150b01a
153e44ca3d3
hex25bcab2a0

10129945248 has 72 divisors (see below), whose sum is σ = 29585631348. Its totient is φ = 3285384192.

The previous prime is 10129945213. The next prime is 10129945277. The reversal of 10129945248 is 84254992101.

It is a happy number.

10129945248 is a `hidden beast` number, since 10 + 1 + 29 + 94 + 524 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 8736267024 + 1393678224 = 93468^2 + 37332^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 464661 + ... + 485972.

Almost surely, 210129945248 is an apocalyptic number.

10129945248 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

10129945248 is an abundant number, since it is smaller than the sum of its proper divisors (19455686100).

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

10129945248 is a wasteful number, since it uses less digits than its factorization.

10129945248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 950686 (or 950675 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The spelling of 10129945248 in words is "ten billion, one hundred twenty-nine million, nine hundred forty-five thousand, two hundred forty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 37 48 72 74 96 111 144 148 222 288 296 333 444 592 666 888 1184 1332 1776 2664 3552 5328 10656 950633 1901266 2851899 3802532 5703798 7605064 8555697 11407596 15210128 17111394 22815192 30420256 34222788 35173421 45630384 68445576 70346842 91260768 105520263 136891152 140693684 211040526 273782304 281387368 316560789 422081052 562774736 633121578 844162104 1125549472 1266243156 1688324208 2532486312 3376648416 5064972624 10129945248