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106452103979 = 138188623383
BaseRepresentation
bin110001100100100001…
…0100011001100101011
3101011202211102011222202
41203021002203030223
53221003214311404
6120523050010415
710455660645164
oct1431102431453
9334684364882
10106452103979
114116748a341
121876a716a0b
13a066460a50
14521bd1876b
152b808c921e
hex18c90a332b

106452103979 has 4 divisors (see below), whose sum is σ = 114640727376. Its totient is φ = 98263480584.

The previous prime is 106452103957. The next prime is 106452103993. The reversal of 106452103979 is 979301254601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 979301254601 = 1757605956153.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-106452103979 is a prime.

It is a super-2 number, since 2×1064521039792 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106452103949) 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, 4094311679 + ... + 4094311704.

It is an arithmetic number, because the mean of its divisors is an integer number (28660181844).

Almost surely, 2106452103979 is an apocalyptic number.

106452103979 is a deficient number, since it is larger than the sum of its proper divisors (8188623397).

106452103979 is an equidigital number, since it uses as much as digits as its factorization.

106452103979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8188623396.

The product of its (nonzero) digits is 408240, while the sum is 47.

The spelling of 106452103979 in words is "one hundred six billion, four hundred fifty-two million, one hundred three thousand, nine hundred seventy-nine".

Divisors: 1 13 8188623383 106452103979