Search a number
-
+
128263314646092 = 223371671729828379
BaseRepresentation
bin11101001010011110100001…
…010011101010010001001100
3121211010212000221010101200110
4131022132201103222101030
5113302431232022133332
61132443204151400020
736005501335600353
oct3512364123522114
9554125027111613
10128263314646092
113796119133333a
1212476358683010
135675242709a12
142395d9859299a
15ec665328a4cc
hex74a7a14ea44c

128263314646092 has 48 divisors (see below), whose sum is σ = 309210282581760. Its totient is φ = 41349817547712.

The previous prime is 128263314646039. The next prime is 128263314646111. The reversal of 128263314646092 is 290646413362821.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 864840042 + ... + 864988337.

It is an arithmetic number, because the mean of its divisors is an integer number (6441880887120).

Almost surely, 2128263314646092 is an apocalyptic number.

128263314646092 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

128263314646092 is an abundant number, since it is smaller than the sum of its proper divisors (180946967935668).

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

128263314646092 is a wasteful number, since it uses less digits than its factorization.

128263314646092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1729828590 (or 1729828588 counting only the distinct ones).

The product of its (nonzero) digits is 17915904, while the sum is 57.

The spelling of 128263314646092 in words is "one hundred twenty-eight trillion, two hundred sixty-three billion, three hundred fourteen million, six hundred forty-six thousand, ninety-two".

Divisors: 1 2 3 4 6 12 37 74 111 148 167 222 334 444 501 668 1002 2004 6179 12358 18537 24716 37074 74148 1729828379 3459656758 5189485137 6919313516 10378970274 20757940548 64003650023 128007300046 192010950069 256014600092 288881339293 384021900138 577762678586 768043800276 866644017879 1155525357172 1733288035758 3466576071516 10688609553841 21377219107682 32065828661523 42754438215364 64131657323046 128263314646092