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10142004402 = 232563444689
BaseRepresentation
bin10010111001000001…
…01011010010110010
3222011210222012112200
421130200223102302
5131232323120102
64354214204030
7506220420645
oct113440532262
928153865480
1010142004402
114334996022
121b70653616
13c58249c4a
146c2d69a5c
153e55ad51c
hex25c82b4b2

10142004402 has 12 divisors (see below), whose sum is σ = 21974342910. Its totient is φ = 3380668128.

The previous prime is 10142004371. The next prime is 10142004403. The reversal of 10142004402 is 20440024101.

10142004402 is a `hidden beast` number, since 10 + 14 + 200 + 440 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 9399496401 + 742508001 = 96951^2 + 27249^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 563444689 = 10142004402 / (1 + 0 + 1 + 4 + 2 + 0 + 0 + 4 + 4 + 0 + 2).

It is not an unprimeable number, because it can be changed into a prime (10142004403) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 281722327 + ... + 281722362.

Almost surely, 210142004402 is an apocalyptic number.

10142004402 is an abundant number, since it is smaller than the sum of its proper divisors (11832338508).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10142004402 is a wasteful number, since it uses less digits than its factorization.

10142004402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563444697 (or 563444694 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 10142004402 its reverse (20440024101), we get a palindrome (30582028503).

The spelling of 10142004402 in words is "ten billion, one hundred forty-two million, four thousand, four hundred two".

Divisors: 1 2 3 6 9 18 563444689 1126889378 1690334067 3380668134 5071002201 10142004402