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13494153540 = 2235732128937
BaseRepresentation
bin11001001000101000…
…00111000101000100
31021211102122000200110
430210110013011010
5210114000403130
610111002313020
7655253261340
oct144424070504
937742560613
1013494153540
1157a510930a
1227471b8770
13137088a94a
1492023c620
1553ea12ab0
hex324507144

13494153540 has 48 divisors (see below), whose sum is σ = 43181292672. Its totient is φ = 3084377856.

The previous prime is 13494153539. The next prime is 13494153557. The reversal of 13494153540 is 4535149431.

It is a super-2 number, since 2×134941535402 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16064049 + ... + 16064888.

It is an arithmetic number, because the mean of its divisors is an integer number (899610264).

Almost surely, 213494153540 is an apocalyptic number.

13494153540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13494153540 is an abundant number, since it is smaller than the sum of its proper divisors (29687139132).

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

13494153540 is a wasteful number, since it uses less digits than its factorization.

13494153540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32128956 (or 32128954 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 39.

The spelling of 13494153540 in words is "thirteen billion, four hundred ninety-four million, one hundred fifty-three thousand, five hundred forty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 420 32128937 64257874 96386811 128515748 160644685 192773622 224902559 321289370 385547244 449805118 481934055 642578740 674707677 899610236 963868110 1124512795 1349415354 1927736220 2249025590 2698830708 3373538385 4498051180 6747076770 13494153540