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19629430142 = 272341598933
BaseRepresentation
bin10010010010000000…
…010101010101111110
31212200000020100222012
4102102000111111332
5310200113231032
613003450451222
71263302255210
oct222200252576
955600210865
1019629430142
118363335443
123979a33b12
131b0a99bb2a
14d42dc25b0
1579d46c6b2
hex49201557e

19629430142 has 16 divisors (see below), whose sum is σ = 33664882272. Its totient is φ = 8409005280.

The previous prime is 19629430141. The next prime is 19629430153. The reversal of 19629430142 is 24103492691.

It is a self number, because there is not a number n which added to its sum of digits gives 19629430142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19629430141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 266693 + ... + 332240.

It is an arithmetic number, because the mean of its divisors is an integer number (2104055142).

Almost surely, 219629430142 is an apocalyptic number.

19629430142 is a deficient number, since it is larger than the sum of its proper divisors (14035452130).

19629430142 is a wasteful number, since it uses less digits than its factorization.

19629430142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601283.

The product of its (nonzero) digits is 93312, while the sum is 41.

The spelling of 19629430142 in words is "nineteen billion, six hundred twenty-nine million, four hundred thirty thousand, one hundred forty-two".

Divisors: 1 2 7 14 2341 4682 16387 32774 598933 1197866 4192531 8385062 1402102153 2804204306 9814715071 19629430142