Search a number
-
+
11992067802 = 23211134658923
BaseRepresentation
bin10110010101100100…
…00110111011011010
31010221202012011102100
423022302012323122
5144024432132202
65301543344230
7603113615541
oct131262067332
933852164370
1011992067802
1150a4234040
1223a8152076
131191618210
1481a955158
154a2c0541c
hex2cac86eda

11992067802 has 48 divisors (see below), whose sum is σ = 30525270048. Its totient is φ = 3354423840.

The previous prime is 11992067777. The next prime is 11992067809. The reversal of 11992067802 is 20876029911.

It is a super-2 number, since 2×119920678022 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11992067809) 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, 2326888 + ... + 2332035.

It is an arithmetic number, because the mean of its divisors is an integer number (635943126).

Almost surely, 211992067802 is an apocalyptic number.

11992067802 is an abundant number, since it is smaller than the sum of its proper divisors (18533202246).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11992067802 is a wasteful number, since it uses less digits than its factorization.

11992067802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4658955 (or 4658952 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 45.

The spelling of 11992067802 in words is "eleven billion, nine hundred ninety-two million, sixty-seven thousand, eight hundred two".

Divisors: 1 2 3 6 9 11 13 18 22 26 33 39 66 78 99 117 143 198 234 286 429 858 1287 2574 4658923 9317846 13976769 27953538 41930307 51248153 60565999 83860614 102496306 121131998 153744459 181697997 307488918 363395994 461233377 545093991 666225989 922466754 1090187982 1332451978 1998677967 3997355934 5996033901 11992067802