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2190005198 = 22395745707
BaseRepresentation
bin1000001010001000…
…1101001111001110
312122121212210100122
42002202031033032
513441120131243
61001151224542
7105161510543
oct20242151716
95577783318
102190005198
11a24223357
12511518152
1328b942284
1416abd8bca
15cc3e5668
hex8288d3ce

2190005198 has 8 divisors (see below), whose sum is σ = 3285216792. Its totient is φ = 1094932936.

The previous prime is 2190005177. The next prime is 2190005221. The reversal of 2190005198 is 8915000912.

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

It is a super-2 number, since 2×21900051982 = 9592245534534038408, which 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, 25061 + ... + 70767.

It is an arithmetic number, because the mean of its divisors is an integer number (410652099).

Almost surely, 22190005198 is an apocalyptic number.

2190005198 is a deficient number, since it is larger than the sum of its proper divisors (1095211594).

2190005198 is a wasteful number, since it uses less digits than its factorization.

2190005198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69666.

The product of its (nonzero) digits is 6480, while the sum is 35.

The square root of 2190005198 is about 46797.4913643883. The cubic root of 2190005198 is about 1298.6188878696.

The spelling of 2190005198 in words is "two billion, one hundred ninety million, five thousand, one hundred ninety-eight".

Divisors: 1 2 23957 45707 47914 91414 1095002599 2190005198