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328730861454 = 23106135162393
BaseRepresentation
bin1001100100010011110…
…00101101111110001110
31011102111211010000022220
410302021320231332032
520341220100031304
6411003351120210
732515154134662
oct4621170557616
91142454100286
10328730861454
111174610017a6
1253863373066
1324ccb2a2b48
1411ca6bc08a2
15883eb91ad9
hex4c89e2df8e

328730861454 has 16 divisors (see below), whose sum is σ = 657523798992. Its totient is φ = 109566607808.

The previous prime is 328730861401. The next prime is 328730861471. The reversal of 328730861454 is 454168037823.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 328730861397 and 328730861406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2517519 + ... + 2644874.

It is an arithmetic number, because the mean of its divisors is an integer number (41095237437).

Almost surely, 2328730861454 is an apocalyptic number.

328730861454 is an abundant number, since it is smaller than the sum of its proper divisors (328792937538).

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

328730861454 is a wasteful number, since it uses less digits than its factorization.

328730861454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5173011.

The product of its (nonzero) digits is 3870720, while the sum is 51.

The spelling of 328730861454 in words is "three hundred twenty-eight billion, seven hundred thirty million, eight hundred sixty-one thousand, four hundred fifty-four".

Divisors: 1 2 3 6 10613 21226 31839 63678 5162393 10324786 15487179 30974358 54788476909 109576953818 164365430727 328730861454