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14754111640 = 2351721697223
BaseRepresentation
bin11011011110110100…
…11110000010011000
31102002020110112021021
431233122132002120
5220204023033030
610440011452224
71031422610512
oct155732360230
942066415237
1014754111640
1162913474a4
122a39157074
131511915c98
149dd6d8bb2
155b544397a
hex36f69e098

14754111640 has 32 divisors (see below), whose sum is σ = 35149502880. Its totient is φ = 5554488832.

The previous prime is 14754111637. The next prime is 14754111641. The reversal of 14754111640 is 4611145741.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 14754111596 and 14754111605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14754111641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10847932 + ... + 10849291.

It is an arithmetic number, because the mean of its divisors is an integer number (1098421965).

Almost surely, 214754111640 is an apocalyptic number.

14754111640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14754111640 is an abundant number, since it is smaller than the sum of its proper divisors (20395391240).

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

14754111640 is a wasteful number, since it uses less digits than its factorization.

14754111640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21697251 (or 21697247 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 34.

The spelling of 14754111640 in words is "fourteen billion, seven hundred fifty-four million, one hundred eleven thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 17 20 34 40 68 85 136 170 340 680 21697223 43394446 86788892 108486115 173577784 216972230 368852791 433944460 737705582 867888920 1475411164 1844263955 2950822328 3688527910 7377055820 14754111640