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10205042151 = 318731181607
BaseRepresentation
bin10011000000100010…
…01001010111100111
3222100012120212002010
421200101021113213
5131344442322101
64404345245303
7510614266323
oct114021112747
928305525063
1010205042151
114367531237
121b89793833
13c6831b7a5
146cb498983
153eadb12d6
hex2604495e7

10205042151 has 8 divisors (see below), whose sum is σ = 13607524224. Its totient is φ = 6802960760.

The previous prime is 10205042143. The next prime is 10205042231. The reversal of 10205042151 is 15124050201.

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

It is a cyclic number.

It is not a de Polignac number, because 10205042151 - 23 = 10205042143 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10205042651) 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, 34611 + ... + 146996.

It is an arithmetic number, because the mean of its divisors is an integer number (1700940528).

Almost surely, 210205042151 is an apocalyptic number.

10205042151 is a deficient number, since it is larger than the sum of its proper divisors (3402482073).

10205042151 is a wasteful number, since it uses less digits than its factorization.

10205042151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200341.

The product of its (nonzero) digits is 400, while the sum is 21.

Adding to 10205042151 its reverse (15124050201), we get a palindrome (25329092352).

The spelling of 10205042151 in words is "ten billion, two hundred five million, forty-two thousand, one hundred fifty-one".

Divisors: 1 3 18731 56193 181607 544821 3401680717 10205042151