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748789021356 = 223461135355933
BaseRepresentation
bin10101110010101110100…
…11011011101010101100
32122120202101122110221220
422321113103123222230
544232004442140411
61331553335223340
7105045455444205
oct12712723335254
92576671573856
10748789021356
11269617977552
12101153b17b50
13557c237034c
1428354c885ac
1514727493b06
hexae574dbaac

748789021356 has 24 divisors (see below), whose sum is σ = 1750964362224. Its totient is φ = 249054914880.

The previous prime is 748789021313. The next prime is 748789021363. The reversal of 748789021356 is 653120987847.

It is a self number, because there is not a number n which added to its sum of digits gives 748789021356.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67672435 + ... + 67683498.

It is an arithmetic number, because the mean of its divisors is an integer number (72956848426).

It is a 1-persistent number, because it is pandigital, but 2⋅748789021356 = 1497578042712 is not.

Almost surely, 2748789021356 is an apocalyptic number.

It is an amenable number.

748789021356 is an abundant number, since it is smaller than the sum of its proper divisors (1002175340868).

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

748789021356 is a wasteful number, since it uses less digits than its factorization.

748789021356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135356401 (or 135356399 counting only the distinct ones).

The product of its (nonzero) digits is 20321280, while the sum is 60.

The spelling of 748789021356 in words is "seven hundred forty-eight billion, seven hundred eighty-nine million, twenty-one thousand, three hundred fifty-six".

Divisors: 1 2 3 4 6 12 461 922 1383 1844 2766 5532 135355933 270711866 406067799 541423732 812135598 1624271196 62399085113 124798170226 187197255339 249596340452 374394510678 748789021356