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13620143006431 = 138913189862193
BaseRepresentation
bin1100011000110010111111…
…0010010010001011011111
31210020001222011222022221221
43012030233302102023133
53241123023102201211
644545001325234211
72604010561234603
oct306145762221337
953201864868857
1013620143006431
1143812a7718145
12163b812402967
1377a4b2811130
1435130b579503
15189457abcc71
hexc632fc922df

13620143006431 has 16 divisors (see below), whose sum is σ = 14945880106080. Its totient is φ = 12336281717760.

The previous prime is 13620143006417. The next prime is 13620143006441. The reversal of 13620143006431 is 13460034102631.

It is not a de Polignac number, because 13620143006431 - 29 = 13620143005919 is a prime.

It is a super-2 number, since 2×136201430064312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13620143006441) 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, 44779530 + ... + 45082663.

It is an arithmetic number, because the mean of its divisors is an integer number (934117506630).

Almost surely, 213620143006431 is an apocalyptic number.

13620143006431 is a deficient number, since it is larger than the sum of its proper divisors (1325737099649).

13620143006431 is a wasteful number, since it uses less digits than its factorization.

13620143006431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89862426.

The product of its (nonzero) digits is 31104, while the sum is 34.

The spelling of 13620143006431 in words is "thirteen trillion, six hundred twenty billion, one hundred forty-three million, six thousand, four hundred thirty-one".

Divisors: 1 13 89 131 1157 1703 11659 151567 89862193 1168208509 7997735177 11771947283 103970557301 153035314679 1047703308187 13620143006431