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468488892492 = 223213013580347
BaseRepresentation
bin1101101000101000001…
…11010011000001001100
31122210020210111121001200
412310110013103001030
530133431124024432
6555115410505500
745563406611265
oct6642407230114
91583223447050
10468488892492
11170759847a95
1276967b95290
13352419a4a2a
141896422396c
15c2be518a7c
hex6d141d304c

468488892492 has 18 divisors (see below), whose sum is σ = 1184235811668. Its totient is φ = 156162964152.

The previous prime is 468488892367. The next prime is 468488892511. The reversal of 468488892492 is 294298884864.

468488892492 is a `hidden beast` number, since 4 + 6 + 8 + 48 + 8 + 8 + 92 + 492 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a self number, because there is not a number n which added to its sum of digits gives 468488892492.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6506790138 + ... + 6506790209.

It is an arithmetic number, because the mean of its divisors is an integer number (65790878426).

Almost surely, 2468488892492 is an apocalyptic number.

It is an amenable number.

468488892492 is an abundant number, since it is smaller than the sum of its proper divisors (715746919176).

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

468488892492 is a wasteful number, since it uses less digits than its factorization.

468488892492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13013580357 (or 13013580352 counting only the distinct ones).

The product of its digits is 509607936, while the sum is 72.

The spelling of 468488892492 in words is "four hundred sixty-eight billion, four hundred eighty-eight million, eight hundred ninety-two thousand, four hundred ninety-two".

Divisors: 1 2 3 4 6 9 12 18 36 13013580347 26027160694 39040741041 52054321388 78081482082 117122223123 156162964164 234244446246 468488892492