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103251243612 = 22311782206391
BaseRepresentation
bin110000000101001000…
…0001111001001011100
3100212111202102122000210
41200022100033021130
53142424304243422
6115233304252420
710313443042566
oct1401220171134
9325452378023
10103251243612
113a8746a95a0
1218016771110
13997628072a
144dd6b88336
152a448ab10c
hex180a40f25c

103251243612 has 24 divisors (see below), whose sum is σ = 262821347712. Its totient is φ = 31288255600.

The previous prime is 103251243611. The next prime is 103251243631. The reversal of 103251243612 is 216342152301.

103251243612 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 103251243612.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103251243611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 391103064 + ... + 391103327.

It is an arithmetic number, because the mean of its divisors is an integer number (10950889488).

Almost surely, 2103251243612 is an apocalyptic number.

103251243612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

103251243612 is an abundant number, since it is smaller than the sum of its proper divisors (159570104100).

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

103251243612 is a wasteful number, since it uses less digits than its factorization.

103251243612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 782206409 (or 782206407 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 103251243612 its reverse (216342152301), we get a palindrome (319593395913).

The spelling of 103251243612 in words is "one hundred three billion, two hundred fifty-one million, two hundred forty-three thousand, six hundred twelve".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 782206391 1564412782 2346619173 3128825564 4693238346 8604270301 9386476692 17208540602 25812810903 34417081204 51625621806 103251243612