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13695472945 = 5711131383709
BaseRepresentation
bin11001100000101000…
…00101010100110001
31022100110110002222201
430300110011110301
5211022020113240
610142553303201
7663246412360
oct146024052461
938313402881
1013695472945
115898812590
1227a2704b01
1313a34b765b
1493cc857d7
1555252cd9a
hex330505531

13695472945 has 64 divisors (see below), whose sum is σ = 20729364480. Its totient is φ = 8438227200.

The previous prime is 13695472939. The next prime is 13695472949. The reversal of 13695472945 is 54927459631.

It is not a de Polignac number, because 13695472945 - 211 = 13695470897 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is not an unprimeable number, because it can be changed into a prime (13695472949) 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 63 ways as a sum of consecutive naturals, for example, 19316251 + ... + 19316959.

It is an arithmetic number, because the mean of its divisors is an integer number (323896320).

Almost surely, 213695472945 is an apocalyptic number.

It is an amenable number.

13695472945 is a deficient number, since it is larger than the sum of its proper divisors (7033891535).

13695472945 is a wasteful number, since it uses less digits than its factorization.

13695472945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1246.

The product of its digits is 8164800, while the sum is 55.

The spelling of 13695472945 in words is "thirteen billion, six hundred ninety-five million, four hundred seventy-two thousand, nine hundred forty-five".

Divisors: 1 5 7 11 35 55 77 131 383 385 655 709 917 1441 1915 2681 3545 4213 4585 4963 7205 7799 10087 13405 21065 24815 29491 38995 50173 50435 54593 92879 147455 250865 271547 272965 351211 464395 551903 650153 1021669 1357735 1756055 1900829 2759515 2987017 3250765 3863321 5108345 7151683 9504145 14935085 19316605 20909119 35572657 35758415 104545595 177863285 249008599 391299227 1245042995 1956496135 2739094589 13695472945