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2115794902 = 213372199371
BaseRepresentation
bin111111000011100…
…0111011111010110
312110110020111222011
41332013013133112
513313120414102
6545540454434
7103300650154
oct17607073726
95413214864
102115794902
11996347031
124b06aa41a
1327945b260
14160ddc3d4
15c5b372d7
hex7e1c77d6

2115794902 has 16 divisors (see below), whose sum is σ = 3510197712. Its totient is φ = 950127840.

The previous prime is 2115794897. The next prime is 2115794903. The reversal of 2115794902 is 2094975112.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2115794903) 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, 1098724 + ... + 1100647.

It is an arithmetic number, because the mean of its divisors is an integer number (219387357).

Almost surely, 22115794902 is an apocalyptic number.

2115794902 is a deficient number, since it is larger than the sum of its proper divisors (1394402810).

2115794902 is a wasteful number, since it uses less digits than its factorization.

2115794902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2199423.

The product of its (nonzero) digits is 45360, while the sum is 40.

The square root of 2115794902 is about 45997.7706198898. The cubic root of 2115794902 is about 1283.7817241204.

The spelling of 2115794902 in words is "two billion, one hundred fifteen million, seven hundred ninety-four thousand, nine hundred two".

Divisors: 1 2 13 26 37 74 481 962 2199371 4398742 28591823 57183646 81376727 162753454 1057897451 2115794902