Search a number
-
+
1020010199999 = 71371935510977
BaseRepresentation
bin11101101011111010101…
…10000111101110111111
310121111211021010220111112
432311331112013232333
5113202440102344444
62100330342312235
7133456542434360
oct16657526075677
93544737126445
101020010199999
1136364719136a
1214582742867b
1375256b0507b
1437523c25b67
151b7ed34969e
hexed7d587bbf

1020010199999 has 16 divisors (see below), whose sum is σ = 1180319224128. Its totient is φ = 863415631872.

The previous prime is 1020010199959. The next prime is 1020010200037. The reversal of 1020010199999 is 9999910100201.

It is a cyclic number.

It is not a de Polignac number, because 1020010199999 - 216 = 1020010134463 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 (1020010199909) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2570402 + ... + 2940575.

It is an arithmetic number, because the mean of its divisors is an integer number (73769951508).

Almost surely, 21020010199999 is an apocalyptic number.

1020010199999 is a deficient number, since it is larger than the sum of its proper divisors (160309024129).

1020010199999 is a wasteful number, since it uses less digits than its factorization.

1020010199999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5511314.

The product of its (nonzero) digits is 118098, while the sum is 50.

The spelling of 1020010199999 in words is "one trillion, twenty billion, ten million, one hundred ninety-nine thousand, nine hundred ninety-nine".

Divisors: 1 7 137 193 959 1351 26441 185087 5510977 38576839 755003849 1063618561 5285026943 7445329927 145715742857 1020010199999