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2102023079 = 13199381131
BaseRepresentation
bin111110101001010…
…0101001110100111
312102111022211120122
41331102211032213
513301104214304
6544325352155
7103042621112
oct17522451647
95374284518
102102023079
119895a0062
124a7b6865b
13276648950
1415d255579
15c48169be
hex7d4a53a7

2102023079 has 8 divisors (see below), whose sum is σ = 2264880912. Its totient is φ = 1939331520.

The previous prime is 2102023069. The next prime is 2102023081. The reversal of 2102023079 is 9703202012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2102023079 - 220 = 2100974503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102023069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14657 + ... + 66474.

It is an arithmetic number, because the mean of its divisors is an integer number (283110114).

Almost surely, 22102023079 is an apocalyptic number.

2102023079 is a deficient number, since it is larger than the sum of its proper divisors (162857833).

2102023079 is a wasteful number, since it uses less digits than its factorization.

2102023079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83137.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 2102023079 is about 45847.8252374090. The cubic root of 2102023079 is about 1280.9902572609.

The spelling of 2102023079 in words is "two billion, one hundred two million, twenty-three thousand, seventy-nine".

Divisors: 1 13 1993 25909 81131 1054703 161694083 2102023079