Search a number
-
+
19133877372 = 2231679719833
BaseRepresentation
bin10001110100011101…
…111100110001111100
31211101110202200100220
4101310131330301330
5303141233033442
612442345221340
71245104163021
oct216435746174
954343680326
1019133877372
1181296362a5
12385ba91850
131a5c11303c
14cd7267548
1576ebd1eec
hex47477cc7c

19133877372 has 48 divisors (see below), whose sum is σ = 44963880192. Its totient is φ = 6332594560.

The previous prime is 19133877311. The next prime is 19133877407. The reversal of 19133877372 is 27377833191.

It is a super-2 number, since 2×191338773722 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1940968 + ... + 1950800.

It is an arithmetic number, because the mean of its divisors is an integer number (936747504).

Almost surely, 219133877372 is an apocalyptic number.

19133877372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

19133877372 is an abundant number, since it is smaller than the sum of its proper divisors (25830002820).

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

19133877372 is a wasteful number, since it uses less digits than its factorization.

19133877372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10978 (or 10976 counting only the distinct ones).

The product of its digits is 1333584, while the sum is 51.

The spelling of 19133877372 in words is "nineteen billion, one hundred thirty-three million, eight hundred seventy-seven thousand, three hundred seventy-two".

Divisors: 1 2 3 4 6 12 167 334 501 668 971 1002 1942 2004 2913 3884 5826 9833 11652 19666 29499 39332 58998 117996 162157 324314 486471 648628 972942 1642111 1945884 3284222 4926333 6568444 9547843 9852666 19095686 19705332 28643529 38191372 57287058 114574116 1594489781 3188979562 4783469343 6377959124 9566938686 19133877372