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198057442107190 = 2519805744210719
BaseRepresentation
bin101101000010000111010111…
…011110110101111100110110
3221222021002212200020121001211
4231002013113132311330312
5201424433120134412230
61541122155520112034
756501115022545631
oct5502072736657466
9858232780217054
10198057442107190
115811a7647a4926
121a268a3876561a
138668976565763
1436ca062026c18
1517d6dddea042a
hexb421d77b5f36

198057442107190 has 8 divisors (see below), whose sum is σ = 356503395792960. Its totient is φ = 79222976842872.

The previous prime is 198057442107097. The next prime is 198057442107211. The reversal of 198057442107190 is 91701244750891.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1980574421071902 (a number of 29 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 3 ways as a sum of consecutive naturals, for example, 9902872105350 + ... + 9902872105369.

It is an arithmetic number, because the mean of its divisors is an integer number (44562924474120).

Almost surely, 2198057442107190 is an apocalyptic number.

198057442107190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

198057442107190 is a deficient number, since it is larger than the sum of its proper divisors (158445953685770).

198057442107190 is a wasteful number, since it uses less digits than its factorization.

198057442107190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19805744210726.

The product of its (nonzero) digits is 5080320, while the sum is 58.

The spelling of 198057442107190 in words is "one hundred ninety-eight trillion, fifty-seven billion, four hundred forty-two million, one hundred seven thousand, one hundred ninety".

Divisors: 1 2 5 10 19805744210719 39611488421438 99028721053595 198057442107190