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106883641945 = 521376728389
BaseRepresentation
bin110001110001011000…
…0101111001001011001
3101012212220102120210101
41203202300233021121
53222344203020240
6121033543215401
710502450652313
oct1434260571131
9335786376711
10106883641945
1141369036193
121886b147561
13a104995362
14525d36c7b3
152ba871c39a
hex18e2c2f259

106883641945 has 4 divisors (see below), whose sum is σ = 128260370340. Its totient is φ = 85506913552.

The previous prime is 106883641889. The next prime is 106883641951. The reversal of 106883641945 is 549146388601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 549146388601 = 1097500589233.

It can be written as a sum of positive squares in 2 ways, for example, as 76142331721 + 30741310224 = 275939^2 + 175332^2 .

It is a cyclic number.

It is not a de Polignac number, because 106883641945 - 27 = 106883641817 is a prime.

It is a super-2 number, since 2×1068836419452 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10688364190 + ... + 10688364199.

It is an arithmetic number, because the mean of its divisors is an integer number (32065092585).

Almost surely, 2106883641945 is an apocalyptic number.

It is an amenable number.

106883641945 is a deficient number, since it is larger than the sum of its proper divisors (21376728395).

106883641945 is an equidigital number, since it uses as much as digits as its factorization.

106883641945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21376728394.

The product of its (nonzero) digits is 4976640, while the sum is 55.

The spelling of 106883641945 in words is "one hundred six billion, eight hundred eighty-three million, six hundred forty-one thousand, nine hundred forty-five".

Divisors: 1 5 21376728389 106883641945