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1668350001835 = 51197312717901
BaseRepresentation
bin11000010001110001011…
…010001100001010101011
312220111022011212022212201
4120101301122030022223
5204313240100024320
63314232430321031
7231351161014306
oct30216132141253
95814264768781
101668350001835
115935a809a510
1222b407059177
13c142b5802ca
145aa6a115b3d
152d5e6e1b70a
hex1847168c2ab

1668350001835 has 16 divisors (see below), whose sum is σ = 2206537516512. Its totient is φ = 1200836736000.

The previous prime is 1668350001811. The next prime is 1668350001839. The reversal of 1668350001835 is 5381000538661.

It is not a de Polignac number, because 1668350001835 - 29 = 1668350001323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1668350001839) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 156353616 + ... + 156364285.

It is an arithmetic number, because the mean of its divisors is an integer number (137908594782).

Almost surely, 21668350001835 is an apocalyptic number.

1668350001835 is a deficient number, since it is larger than the sum of its proper divisors (538187514677).

1668350001835 is a wasteful number, since it uses less digits than its factorization.

1668350001835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312718014.

The product of its (nonzero) digits is 518400, while the sum is 46.

The spelling of 1668350001835 in words is "one trillion, six hundred sixty-eight billion, three hundred fifty million, one thousand, eight hundred thirty-five".

Divisors: 1 5 11 55 97 485 1067 5335 312717901 1563589505 3439896911 17199484555 30333636397 151668181985 333670000367 1668350001835