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20342101432 = 2311812153059
BaseRepresentation
bin10010111100011110…
…111101010110111000
31221111200020211012011
4102330132331112320
5313130034221212
613202305455304
71320045003112
oct227436752670
957450224164
1020342101432
118699649984
123b38641534
131bc2526913
14dad8d83b2
157e0ce44a7
hex4bc7bd5b8

20342101432 has 16 divisors (see below), whose sum is σ = 38173753800. Its totient is φ = 10162433760.

The previous prime is 20342101421. The next prime is 20342101433. The reversal of 20342101432 is 23410124302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20342101433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1067082 + ... + 1085977.

Almost surely, 220342101432 is an apocalyptic number.

It is an amenable number.

20342101432 is a deficient number, since it is larger than the sum of its proper divisors (17831652368).

20342101432 is a wasteful number, since it uses less digits than its factorization.

20342101432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2154246 (or 2154242 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 20342101432 its reverse (23410124302), we get a palindrome (43752225734).

The spelling of 20342101432 in words is "twenty billion, three hundred forty-two million, one hundred one thousand, four hundred thirty-two".

Divisors: 1 2 4 8 1181 2362 4724 9448 2153059 4306118 8612236 17224472 2542762679 5085525358 10171050716 20342101432