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1919200054 = 22575937253
BaseRepresentation
bin111001001100100…
…1010101100110110
311221202022110112111
41302121022230312
512412303400204
6514235041234
765362634302
oct16231125466
94852273474
101919200054
118a537a452
124568a021a
132477c6b45
14142c64d02
15b3751d04
hex7264ab36

1919200054 has 8 divisors (see below), whose sum is σ = 2878989120. Its totient is φ = 959537016.

The previous prime is 1919200039. The next prime is 1919200061. The reversal of 1919200054 is 4500029191.

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

It is a junction number, because it is equal to n+sod(n) for n = 1919199989 and 1919200025.

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, 32892 + ... + 70144.

It is an arithmetic number, because the mean of its divisors is an integer number (359873640).

Almost surely, 21919200054 is an apocalyptic number.

1919200054 is a deficient number, since it is larger than the sum of its proper divisors (959789066).

1919200054 is a wasteful number, since it uses less digits than its factorization.

1919200054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63014.

The product of its (nonzero) digits is 3240, while the sum is 31.

The square root of 1919200054 is about 43808.6755563324. The cubic root of 1919200054 is about 1242.7203660277.

The spelling of 1919200054 in words is "one billion, nine hundred nineteen million, two hundred thousand, fifty-four".

Divisors: 1 2 25759 37253 51518 74506 959600027 1919200054