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45155454123 = 3133731292761
BaseRepresentation
bin101010000011011110…
…011000110010101011
311022112221221202000210
4222003132120302223
51214434244012443
632424422032203
73155665012203
oct520336306253
9138487852023
1045155454123
111817209302a
128902578663
13434819c730
142285177403
1512943e8c33
hexa83798cab

45155454123 has 16 divisors (see below), whose sum is σ = 66590997536. Its totient is φ = 27036944640.

The previous prime is 45155454103. The next prime is 45155454173. The reversal of 45155454123 is 32145455154.

45155454123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 45155454123 - 26 = 45155454059 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45155454103) 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, 15644938 + ... + 15647823.

It is an arithmetic number, because the mean of its divisors is an integer number (4161937346).

Almost surely, 245155454123 is an apocalyptic number.

45155454123 is a deficient number, since it is larger than the sum of its proper divisors (21435543413).

45155454123 is a wasteful number, since it uses less digits than its factorization.

45155454123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31292814.

The product of its digits is 240000, while the sum is 39.

The spelling of 45155454123 in words is "forty-five billion, one hundred fifty-five million, four hundred fifty-four thousand, one hundred twenty-three".

Divisors: 1 3 13 37 39 111 481 1443 31292761 93878283 406805893 1157832157 1220417679 3473496471 15051818041 45155454123