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13940227755 = 325417555679
BaseRepresentation
bin11001111101110011…
…01111111010101011
31022222111222221110200
430332321233322223
5212022144242010
610223135243243
71002310660266
oct147671577253
938874887420
1013940227755
115a03993493
122850679523
13141211179c
14963597cdd
15568c77cc0
hex33ee6feab

13940227755 has 24 divisors (see below), whose sum is σ = 24752407680. Its totient is φ = 7253450880.

The previous prime is 13940227727. The next prime is 13940227787. The reversal of 13940227755 is 55772204931.

It is a happy number.

It is not a de Polignac number, because 13940227755 - 210 = 13940226731 is a prime.

It is a super-2 number, since 2×139402277552 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 13940227755.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3775995 + ... + 3779684.

It is an arithmetic number, because the mean of its divisors is an integer number (1031350320).

Almost surely, 213940227755 is an apocalyptic number.

13940227755 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13940227755 is a deficient number, since it is larger than the sum of its proper divisors (10812179925).

13940227755 is a wasteful number, since it uses less digits than its factorization.

13940227755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7555731 (or 7555728 counting only the distinct ones).

The product of its (nonzero) digits is 529200, while the sum is 45.

The spelling of 13940227755 in words is "thirteen billion, nine hundred forty million, two hundred twenty-seven thousand, seven hundred fifty-five".

Divisors: 1 3 5 9 15 41 45 123 205 369 615 1845 7555679 22667037 37778395 68001111 113335185 309782839 340005555 929348517 1548914195 2788045551 4646742585 13940227755