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28857146003 = 7422135431
BaseRepresentation
bin11010111000000001…
…010001101010010011
32202111002210220102022
4122320001101222103
5433044412133003
621131244442055
72041051460000
oct327001215223
982432726368
1028857146003
11112691199a4
12571424932b
13294b68b82a
14157a7528a7
15b3d62a738
hex6b8051a93

28857146003 has 20 divisors (see below), whose sum is σ = 33686080848. Its totient is φ = 24718967280.

The previous prime is 28857145981. The next prime is 28857146023. The reversal of 28857146003 is 30064175882.

It is not a de Polignac number, because 28857146003 - 226 = 28790037139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28857146023) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5310698 + ... + 5316128.

Almost surely, 228857146003 is an apocalyptic number.

28857146003 is a deficient number, since it is larger than the sum of its proper divisors (4828934845).

28857146003 is an frugal number, since it uses more digits than its factorization.

28857146003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7672 (or 7651 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 44.

The spelling of 28857146003 in words is "twenty-eight billion, eight hundred fifty-seven million, one hundred forty-six thousand, three".

Divisors: 1 7 49 343 2213 2401 5431 15491 38017 108437 266119 759059 1862833 5313413 12018803 13039831 84131621 588921347 4122449429 28857146003