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103491690040 = 2352587292251
BaseRepresentation
bin110000001100010010…
…1011101111000111000
3100220010111212120112001
41200120211131320320
53143422333040130
6115313214030344
710322422564564
oct1403045357070
9326114776461
10103491690040
113a9883a7552
12180831a83b4
1399b402981b
14501aa986a4
152a5aa546ca
hex181895de38

103491690040 has 16 divisors (see below), whose sum is σ = 232856302680. Its totient is φ = 41396676000.

The previous prime is 103491690037. The next prime is 103491690067. The reversal of 103491690040 is 40096194301.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1293646086 + ... + 1293646165.

Almost surely, 2103491690040 is an apocalyptic number.

103491690040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103491690040 is an abundant number, since it is smaller than the sum of its proper divisors (129364612640).

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

103491690040 is a wasteful number, since it uses less digits than its factorization.

103491690040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2587292262 (or 2587292258 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 37.

The spelling of 103491690040 in words is "one hundred three billion, four hundred ninety-one million, six hundred ninety thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 2587292251 5174584502 10349169004 12936461255 20698338008 25872922510 51745845020 103491690040