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1392153816885 = 35139782788997
BaseRepresentation
bin10100010000100010110…
…101010110111100110101
311221002101121000101200020
4110100202311112330311
5140302112334120020
62543314023435353
7202402604124426
oct24204265267465
94832347011606
101392153816885
11497455599837
121a59855b5b59
13a13831cb080
144b54854164d
152632e3e9c40
hex14422d56f35

1392153816885 has 64 divisors (see below), whose sum is σ = 2426475647232. Its totient is φ = 677474574336.

The previous prime is 1392153816877. The next prime is 1392153816931. The reversal of 1392153816885 is 5886183512931.

It is not a de Polignac number, because 1392153816885 - 23 = 1392153816877 is a prime.

It is a super-2 number, since 2×13921538168852 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 15598207 + ... + 15687203.

It is an arithmetic number, because the mean of its divisors is an integer number (37913681988).

Almost surely, 21392153816885 is an apocalyptic number.

1392153816885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1392153816885 is a deficient number, since it is larger than the sum of its proper divisors (1034321830347).

1392153816885 is a wasteful number, since it uses less digits than its factorization.

1392153816885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89942.

The product of its digits is 12441600, while the sum is 60.

The spelling of 1392153816885 in words is "one trillion, three hundred ninety-two billion, one hundred fifty-three million, eight hundred sixteen thousand, eight hundred eighty-five".

Divisors: 1 3 5 13 15 39 65 97 195 291 485 827 1261 1455 2481 3783 4135 6305 10751 12405 18915 32253 53755 80219 88997 161265 240657 266991 401095 444985 1042847 1156961 1203285 1334955 3128541 3470883 5214235 5784805 8632709 15642705 17354415 25898127 43163545 73600519 112225217 129490635 220801557 336675651 368002595 561126085 956806747 1104007785 1683378255 2870420241 4784033735 7139250343 14352101205 21417751029 35696251715 92810254459 107088755145 278430763377 464051272295 1392153816885