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30885475142100 = 22352263391450889
BaseRepresentation
bin1110000010111000101011…
…10001100100100111010100
311001100121210212101121110110
413001130111301210213110
513022011423114021400
6145404331424323020
76335254603043235
oct701342561444724
9131317725347413
1030885475142100
119928502598157
12356998b173470
13143064593ca87
1478ac176b308c
15388607098e50
hex1c1715c649d4

30885475142100 has 72 divisors (see below), whose sum is σ = 89701754345280. Its totient is φ = 8204810612480.

The previous prime is 30885475142099. The next prime is 30885475142117. The reversal of 30885475142100 is 124157458803.

It is a self number, because there is not a number n which added to its sum of digits gives 30885475142100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 195646545 + ... + 195804344.

It is an arithmetic number, because the mean of its divisors is an integer number (1245857699240).

Almost surely, 230885475142100 is an apocalyptic number.

30885475142100 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30885475142100 is an abundant number, since it is smaller than the sum of its proper divisors (58816279203180).

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

30885475142100 is a wasteful number, since it uses less digits than its factorization.

30885475142100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391451169 (or 391451162 counting only the distinct ones).

The product of its (nonzero) digits is 1075200, while the sum is 48.

The spelling of 30885475142100 in words is "thirty trillion, eight hundred eighty-five billion, four hundred seventy-five million, one hundred forty-two thousand, one hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 100 150 263 300 526 789 1052 1315 1578 2630 3156 3945 5260 6575 7890 13150 15780 19725 26300 39450 78900 391450889 782901778 1174352667 1565803556 1957254445 2348705334 3914508890 4697410668 5871763335 7829017780 9786272225 11743526670 19572544450 23487053340 29358816675 39145088900 58717633350 102951583807 117435266700 205903167614 308854751421 411806335228 514757919035 617709502842 1029515838070 1235419005684 1544273757105 2059031676140 2573789595175 3088547514210 5147579190350 6177095028420 7721368785525 10295158380700 15442737571050 30885475142100