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457642701420 = 223537206145361
BaseRepresentation
bin1101010100011011010…
…00010111001001101100
31121202020220111000000020
412222031220113021230
524444223012421140
6550123235202140
745030545531052
oct6521550271154
91552226430006
10457642701420
111670a3413113
127483b746350
13342038b0ba8
14182159501d2
15bd8720c6d0
hex6a8da1726c

457642701420 has 48 divisors (see below), whose sum is σ = 1316031991008. Its totient is φ = 118739727360.

The previous prime is 457642701413. The next prime is 457642701431. The reversal of 457642701420 is 24107246754.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103070461 + ... + 103074900.

It is an arithmetic number, because the mean of its divisors is an integer number (27417333146).

Almost surely, 2457642701420 is an apocalyptic number.

It is an amenable number.

457642701420 is an abundant number, since it is smaller than the sum of its proper divisors (858389289588).

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

457642701420 is a wasteful number, since it uses less digits than its factorization.

457642701420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206145410 (or 206145408 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 42.

The spelling of 457642701420 in words is "four hundred fifty-seven billion, six hundred forty-two million, seven hundred one thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 37 60 74 111 148 185 222 370 444 555 740 1110 2220 206145361 412290722 618436083 824581444 1030726805 1236872166 2061453610 2473744332 3092180415 4122907220 6184360830 7627378357 12368721660 15254756714 22882135071 30509513428 38136891785 45764270142 76273783570 91528540284 114410675355 152547567140 228821350710 457642701420