Search a number
-
+
20119200049 = 1321072115273
BaseRepresentation
bin10010101111001100…
…101010000100110001
31220221010211020222101
4102233030222010301
5312201003400144
613124224140401
71311400243624
oct225714520461
956833736871
1020119200049
118594844863
123a95a67701
131b882b1700
14d8c073dbb
157cb4646d4
hex4af32a131

20119200049 has 24 divisors (see below), whose sum is σ = 22097891232. Its totient is φ = 18307336320.

The previous prime is 20119200029. The next prime is 20119200061. The reversal of 20119200049 is 94000291102.

It is a happy number.

It is not a de Polignac number, because 20119200049 - 231 = 17971716401 is a prime.

It is a super-2 number, since 2×201192000492 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20119200029) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3812877 + ... + 3818149.

It is an arithmetic number, because the mean of its divisors is an integer number (920745468).

Almost surely, 220119200049 is an apocalyptic number.

It is an amenable number.

20119200049 is a deficient number, since it is larger than the sum of its proper divisors (1978691183).

20119200049 is a wasteful number, since it uses less digits than its factorization.

20119200049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5617 (or 5604 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 28.

The spelling of 20119200049 in words is "twenty billion, one hundred nineteen million, two hundred thousand, forty-nine".

Divisors: 1 13 107 169 211 1391 2743 5273 18083 22577 35659 68549 293501 564211 891137 1112603 3815513 7334743 14463839 95351659 119048521 188029907 1547630773 20119200049