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103042543644 = 22323722090791
BaseRepresentation
bin101111111110111010…
…0000111000000011100
3100211222012201120111100
41133331310013000130
53142012342344034
6115200451153100
710305330112065
oct1377564070034
9324865646440
10103042543644
113a777914187
1217b788a5790
139941c6b521
144db717d56c
152a313d4099
hex17fdd0701c

103042543644 has 54 divisors (see below), whose sum is σ = 267698735304. Its totient is φ = 33419187360.

The previous prime is 103042543631. The next prime is 103042543711. The reversal of 103042543644 is 446345240301.

103042543644 is a `hidden beast` number, since 1 + 0 + 3 + 0 + 4 + 2 + 5 + 4 + 3 + 644 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 103042543599 and 103042543608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 996112 + ... + 1094679.

Almost surely, 2103042543644 is an apocalyptic number.

It is an amenable number.

103042543644 is an abundant number, since it is smaller than the sum of its proper divisors (164656191660).

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

103042543644 is a wasteful number, since it uses less digits than its factorization.

103042543644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2090875 (or 2090833 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 36.

Adding to 103042543644 its reverse (446345240301), we get a palindrome (549387783945).

The spelling of 103042543644 in words is "one hundred three billion, forty-two million, five hundred forty-three thousand, six hundred forty-four".

Divisors: 1 2 3 4 6 9 12 18 36 37 74 111 148 222 333 444 666 1332 1369 2738 4107 5476 8214 12321 16428 24642 49284 2090791 4181582 6272373 8363164 12544746 18817119 25089492 37634238 75268476 77359267 154718534 232077801 309437068 464155602 696233403 928311204 1392466806 2784933612 2862292879 5724585758 8586878637 11449171516 17173757274 25760635911 34347514548 51521271822 103042543644