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2102946941 = 7129618971
BaseRepresentation
bin111110101011000…
…0110110001111101
312102120001202212202
41331112012301331
513301323300231
6544401241245
7103053516434
oct17526066175
95376052782
102102946941
1198a071187
124a8333225
132768b0304
1415d41611b
15c494a5cb
hex7d586c7d

2102946941 has 4 divisors (see below), whose sum is σ = 2132565984. Its totient is φ = 2073327900.

The previous prime is 2102946931. The next prime is 2102946943. The reversal of 2102946941 is 1496492012.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2102946941 - 26 = 2102946877 is a prime.

It is a super-2 number, since 2×21029469412 = 8844771673322514962, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2102946895 and 2102946904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102946943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14809415 + ... + 14809556.

It is an arithmetic number, because the mean of its divisors is an integer number (533141496).

Almost surely, 22102946941 is an apocalyptic number.

It is an amenable number.

2102946941 is a deficient number, since it is larger than the sum of its proper divisors (29619043).

2102946941 is an equidigital number, since it uses as much as digits as its factorization.

2102946941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29619042.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 2102946941 is about 45857.8994394641. The cubic root of 2102946941 is about 1281.1778994890.

The spelling of 2102946941 in words is "two billion, one hundred two million, nine hundred forty-six thousand, nine hundred forty-one".

Divisors: 1 71 29618971 2102946941