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13405103140 = 22511134687099
BaseRepresentation
bin11000111110000000…
…11010010000100100
31021121020001210111111
430133000122100210
5204423201300030
610054101514404
7653122332232
oct143700322044
937536053444
1013405103140
115759916440
122721412a04
1313582abcc0
1491249b952
15536cc262a
hex31f01a424

13405103140 has 48 divisors (see below), whose sum is σ = 33072177600. Its totient is φ = 4499614080.

The previous prime is 13405103123. The next prime is 13405103141. The reversal of 13405103140 is 4130150431.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (13405103141) 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 15 ways as a sum of consecutive naturals, for example, 2340690 + ... + 2346409.

It is an arithmetic number, because the mean of its divisors is an integer number (689003700).

Almost surely, 213405103140 is an apocalyptic number.

13405103140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13405103140 is an abundant number, since it is smaller than the sum of its proper divisors (19667074460).

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

13405103140 is a wasteful number, since it uses less digits than its factorization.

13405103140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4687132 (or 4687130 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 13405103140 its reverse (4130150431), we get a palindrome (17535253571).

The spelling of 13405103140 in words is "thirteen billion, four hundred five million, one hundred three thousand, one hundred forty".

Divisors: 1 2 4 5 10 11 13 20 22 26 44 52 55 65 110 130 143 220 260 286 572 715 1430 2860 4687099 9374198 18748396 23435495 46870990 51558089 60932287 93741980 103116178 121864574 206232356 243729148 257790445 304661435 515580890 609322870 670255157 1031161780 1218645740 1340510314 2681020628 3351275785 6702551570 13405103140