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4121023031 = 19216895949
BaseRepresentation
bin1111010110100001…
…1101001000110111
3101122012102122211122
43311220131020313
531414440214111
61520531454155
7204060055256
oct36550351067
911565378748
104121023031
111825234664
1297015735b
13508a16188
142b145879d
15191bcdcdb
hexf5a1d237

4121023031 has 4 divisors (see below), whose sum is σ = 4337919000. Its totient is φ = 3904127064.

The previous prime is 4121023019. The next prime is 4121023063. The reversal of 4121023031 is 1303201214.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4121023031 - 210 = 4121022007 is a prime.

It is a super-2 number, since 2×41210230312 = 33965661644064853922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4121025031) 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, 108447956 + ... + 108447993.

It is an arithmetic number, because the mean of its divisors is an integer number (1084479750).

Almost surely, 24121023031 is an apocalyptic number.

4121023031 is a deficient number, since it is larger than the sum of its proper divisors (216895969).

4121023031 is a wasteful number, since it uses less digits than its factorization.

4121023031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216895968.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 4121023031 is about 64195.1947656520. The cubic root of 4121023031 is about 1603.2515946427.

Adding to 4121023031 its reverse (1303201214), we get a palindrome (5424224245).

The spelling of 4121023031 in words is "four billion, one hundred twenty-one million, twenty-three thousand, thirty-one".

Divisors: 1 19 216895949 4121023031