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2149034997 = 31574562707
BaseRepresentation
bin1000000000010111…
…1010101111110101
312112202210021210210
42000011322233311
513400123104442
6553125140033
7104153332104
oct20005725765
95482707723
102149034997
11a0308a88a
124bb85a619
132832c8c55
141655b203b
15c8a0119c
hex8017abf5

2149034997 has 8 divisors (see below), whose sum is σ = 2883631456. Its totient is φ = 1423564272.

The previous prime is 2149034989. The next prime is 2149035001. The reversal of 2149034997 is 7994309412.

It is a happy number.

2149034997 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2149034997 - 23 = 2149034989 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 (2149034977) 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, 2280883 + ... + 2281824.

It is an arithmetic number, because the mean of its divisors is an integer number (360453932).

Almost surely, 22149034997 is an apocalyptic number.

It is an amenable number.

2149034997 is a deficient number, since it is larger than the sum of its proper divisors (734596459).

2149034997 is a wasteful number, since it uses less digits than its factorization.

2149034997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4562867.

The product of its (nonzero) digits is 489888, while the sum is 48.

The square root of 2149034997 is about 46357.6854146106. The cubic root of 2149034997 is about 1290.4697520011.

The spelling of 2149034997 in words is "two billion, one hundred forty-nine million, thirty-four thousand, nine hundred ninety-seven".

Divisors: 1 3 157 471 4562707 13688121 716344999 2149034997