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22115245151 = 173333138377
BaseRepresentation
bin10100100110001010…
…111101110001011111
32010002020201212002202
4110212022331301133
5330243000321101
614054250242115
71412015324246
oct244612756137
963066655082
1022115245151
11941953000a
12435242633b
1321159a289c
1410db1bd95d
158967e536b
hex5262bdc5f

22115245151 has 8 divisors (see below), whose sum is σ = 22250336304. Its totient is φ = 21980237760.

The previous prime is 22115245081. The next prime is 22115245193. The reversal of 22115245151 is 15154251122.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-22115245151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22115245351) 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, 557075 + ... + 595451.

It is an arithmetic number, because the mean of its divisors is an integer number (2781292038).

Almost surely, 222115245151 is an apocalyptic number.

22115245151 is a deficient number, since it is larger than the sum of its proper divisors (135091153).

22115245151 is a wasteful number, since it uses less digits than its factorization.

22115245151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41881.

The product of its digits is 4000, while the sum is 29.

Adding to 22115245151 its reverse (15154251122), we get a palindrome (37269496273).

The spelling of 22115245151 in words is "twenty-two billion, one hundred fifteen million, two hundred forty-five thousand, one hundred fifty-one".

Divisors: 1 173 3331 38377 576263 6639221 127833787 22115245151