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103115671460 = 2255155783573
BaseRepresentation
bin110000000001000101…
…1000100011110100100
3100212011022022211222222
41200002023010132210
53142140102441320
6115212022411512
710310205513524
oct1400213043644
9325138284888
10103115671460
113a80512119a
1217b99290b98
139954163919
144dc2b77684
152a37a2b825
hex18022c47a4

103115671460 has 12 divisors (see below), whose sum is σ = 216542910108. Its totient is φ = 41246268576.

The previous prime is 103115671447. The next prime is 103115671469. The reversal of 103115671460 is 64176511301.

It can be written as a sum of positive squares in 2 ways, for example, as 46877446144 + 56238225316 = 216512^2 + 237146^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 103115671460.

It is not an unprimeable number, because it can be changed into a prime (103115671469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2577891767 + ... + 2577891806.

It is an arithmetic number, because the mean of its divisors is an integer number (18045242509).

Almost surely, 2103115671460 is an apocalyptic number.

103115671460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103115671460 is an abundant number, since it is smaller than the sum of its proper divisors (113427238648).

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

103115671460 is a wasteful number, since it uses less digits than its factorization.

103115671460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5155783582 (or 5155783580 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 35.

The spelling of 103115671460 in words is "one hundred three billion, one hundred fifteen million, six hundred seventy-one thousand, four hundred sixty".

Divisors: 1 2 4 5 10 20 5155783573 10311567146 20623134292 25778917865 51557835730 103115671460