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1894290967946 = 213133039547639
BaseRepresentation
bin11011100100001100100…
…010100100110110001010
320201002111101122122000202
4123210030202210312022
5222014001441433241
64010120353332202
7253600203362156
oct33441442446612
96632441578022
101894290967946
1167040095a483
12267162267062
13109828043870
1467981522066
153441c982d9b
hex1b90c8a4d8a

1894290967946 has 16 divisors (see below), whose sum is σ = 3060037075200. Its totient is φ = 874279970928.

The previous prime is 1894290967861. The next prime is 1894290967997. The reversal of 1894290967946 is 6497690924981.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3185195 + ... + 3732833.

It is an arithmetic number, because the mean of its divisors is an integer number (191252317200).

Almost surely, 21894290967946 is an apocalyptic number.

1894290967946 is a deficient number, since it is larger than the sum of its proper divisors (1165746107254).

1894290967946 is a wasteful number, since it uses less digits than its factorization.

1894290967946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680693.

The product of its (nonzero) digits is 423263232, while the sum is 74.

The spelling of 1894290967946 in words is "one trillion, eight hundred ninety-four billion, two hundred ninety million, nine hundred sixty-seven thousand, nine hundred forty-six".

Divisors: 1 2 13 26 133039 266078 547639 1095278 1729507 3459014 7119307 14238614 72857344921 145714689842 947145483973 1894290967946