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20110453157 = 1937120123819
BaseRepresentation
bin10010101110101011…
…010010100110100101
31220220112100212111102
4102232223102212211
5312141234000112
613123312445445
71311233013524
oct225653224645
956815325442
1020110453157
11858a910123
123a92b49885
131b8653b332
14d8ac384bb
157ca7d7bc2
hex4aead29a5

20110453157 has 16 divisors (see below), whose sum is σ = 21760046400. Its totient is φ = 18520876800.

The previous prime is 20110453087. The next prime is 20110453163. The reversal of 20110453157 is 75135401102.

It is a cyclic number.

It is not a de Polignac number, because 20110453157 - 210 = 20110452133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20110453177) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 832394 + ... + 856212.

It is an arithmetic number, because the mean of its divisors is an integer number (1360002900).

Almost surely, 220110453157 is an apocalyptic number.

It is an amenable number.

20110453157 is a deficient number, since it is larger than the sum of its proper divisors (1649593243).

20110453157 is a wasteful number, since it uses less digits than its factorization.

20110453157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25076.

The product of its (nonzero) digits is 4200, while the sum is 29.

Adding to 20110453157 its reverse (75135401102), we get a palindrome (95245854259).

The spelling of 20110453157 in words is "twenty billion, one hundred ten million, four hundred fifty-three thousand, one hundred fifty-seven".

Divisors: 1 19 37 703 1201 22819 23819 44437 452561 844303 881303 16744757 28606619 543525761 1058444903 20110453157