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13103154032720 = 2452948487116483
BaseRepresentation
bin1011111010101101000011…
…0101110111000001010000
31201101122112100000100000212
42332223100311313001100
53204140224413021340
643511301133303252
72521446241406513
oct276532065670120
951348470010025
1013103154032720
1141a201a942304
12157758b934b28
13740811a609bb
143342a5d06d7a
1517ac9a73ea65
hexbead0d77050

13103154032720 has 80 divisors (see below), whose sum is σ = 31516265151360. Its totient is φ = 5060380641792.

The previous prime is 13103154032719. The next prime is 13103154032729. The reversal of 13103154032720 is 2723045130131.

13103154032720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13103154032729) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112431599 + ... + 112548081.

It is an arithmetic number, because the mean of its divisors is an integer number (393953314392).

Almost surely, 213103154032720 is an apocalyptic number.

13103154032720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13103154032720 is an abundant number, since it is smaller than the sum of its proper divisors (18413111118640).

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

13103154032720 is a wasteful number, since it uses less digits than its factorization.

13103154032720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165012 (or 165006 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 32.

Adding to 13103154032720 its reverse (2723045130131), we get a palindrome (15826199162851).

The spelling of 13103154032720 in words is "thirteen trillion, one hundred three billion, one hundred fifty-four million, thirty-two thousand, seven hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 29 40 58 80 116 145 232 290 464 580 1160 2320 48487 96974 116483 193948 232966 242435 387896 465932 484870 582415 775792 931864 969740 1164830 1406123 1863728 1939480 2329660 2812246 3378007 3878960 4659320 5624492 6756014 7030615 9318640 11248984 13512028 14061230 16890035 22497968 27024056 28122460 33780070 54048112 56244920 67560140 112489840 135120280 270240560 5647911221 11295822442 22591644884 28239556105 45183289768 56479112210 90366579536 112958224420 163789425409 225916448840 327578850818 451832897680 655157701636 818947127045 1310315403272 1637894254090 2620630806544 3275788508180 6551577016360 13103154032720