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103143044025 = 32527232847289
BaseRepresentation
bin110000000001111001…
…1011111001110111001
3100212020012211112002200
41200003303133032321
53142214104402100
6115214441220413
710310660260110
oct1400363371671
9325205745080
10103143044025
113a81961764a
1217ba6491709
139959a289c8
144dc6660c77
152a3a136e00
hex1803cdf3b9

103143044025 has 72 divisors (see below), whose sum is σ = 220311911040. Its totient is φ = 45101041920.

The previous prime is 103143044009. The next prime is 103143044029. The reversal of 103143044025 is 520440341301.

It is a happy number.

103143044025 is a `hidden beast` number, since 1 + 0 + 314 + 304 + 40 + 2 + 5 = 666.

It is not a de Polignac number, because 103143044025 - 24 = 103143044009 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 103143044025.

It is not an unprimeable number, because it can be changed into a prime (103143044029) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1387420 + ... + 1459869.

Almost surely, 2103143044025 is an apocalyptic number.

103143044025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

103143044025 is an abundant number, since it is smaller than the sum of its proper divisors (117168867015).

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

103143044025 is a wasteful number, since it uses less digits than its factorization.

103143044025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2847335 (or 2847327 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 103143044025 its reverse (520440341301), we get a palindrome (623583385326).

The spelling of 103143044025 in words is "one hundred three billion, one hundred forty-three million, forty-four thousand, twenty-five".

Divisors: 1 3 5 7 9 15 21 23 25 35 45 63 69 75 105 115 161 175 207 225 315 345 483 525 575 805 1035 1449 1575 1725 2415 4025 5175 7245 12075 36225 2847289 8541867 14236445 19931023 25625601 42709335 59793069 65487647 71182225 99655115 128128005 179379207 196462941 213546675 298965345 327438235 458413529 498275575 589388823 640640025 896896035 982314705 1375240587 1494826725 1637191175 2292067645 2946944115 4125721761 4484480175 4911573525 6876202935 11460338225 14734720575 20628608805 34381014675 103143044025