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22103467961 = 191163340419
BaseRepresentation
bin10100100101011110…
…000010011110111001
32010001102120111211112
4110211132002132321
5330231441433321
614053150010105
71411513243361
oct244536023671
963042514745
1022103467961
1194129166a3
12434a4a6935
13211340b133
1410d97d59a1
1589576aa5b
hex5257827b9

22103467961 has 4 divisors (see below), whose sum is σ = 23266808400. Its totient is φ = 20940127524.

The previous prime is 22103467957. The next prime is 22103467993. The reversal of 22103467961 is 16976430122.

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, and also an emirpimes, since its reverse is a distinct semiprime: 16976430122 = 28488215061.

It is a cyclic number.

It is not a de Polignac number, because 22103467961 - 22 = 22103467957 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22103467951) 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, 581670191 + ... + 581670228.

It is an arithmetic number, because the mean of its divisors is an integer number (5816702100).

Almost surely, 222103467961 is an apocalyptic number.

It is an amenable number.

22103467961 is a deficient number, since it is larger than the sum of its proper divisors (1163340439).

22103467961 is a wasteful number, since it uses less digits than its factorization.

22103467961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1163340438.

The product of its (nonzero) digits is 108864, while the sum is 41.

The spelling of 22103467961 in words is "twenty-two billion, one hundred three million, four hundred sixty-seven thousand, nine hundred sixty-one".

Divisors: 1 19 1163340419 22103467961