Search a number
-
+
5191107492 = 2231672590373
BaseRepresentation
bin1001101010110101…
…00000001110100100
3111101202222120202110
410311122200032210
541112410414432
62215035241020
7242432454114
oct46532401644
914352876673
105191107492
11222427698a
12100a5a9170
1364962144c
1437360b044
15205b05dcc
hex1356a03a4

5191107492 has 24 divisors (see below), whose sum is σ = 12185119296. Its totient is φ = 1720007008.

The previous prime is 5191107491. The next prime is 5191107497. The reversal of 5191107492 is 2947011915.

It is a self number, because there is not a number n which added to its sum of digits gives 5191107492.

It is not an unprimeable number, because it can be changed into a prime (5191107491) 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, 1293183 + ... + 1297190.

It is an arithmetic number, because the mean of its divisors is an integer number (507713304).

Almost surely, 25191107492 is an apocalyptic number.

It is an amenable number.

5191107492 is an abundant number, since it is smaller than the sum of its proper divisors (6994011804).

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

5191107492 is a wasteful number, since it uses less digits than its factorization.

5191107492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2590547 (or 2590545 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 39.

The square root of 5191107492 is about 72049.3406770666. The cubic root of 5191107492 is about 1731.4900782032.

It can be divided in two parts, 519 and 1107492, that added together give a palindrome (1108011).

The spelling of 5191107492 in words is "five billion, one hundred ninety-one million, one hundred seven thousand, four hundred ninety-two".

Divisors: 1 2 3 4 6 12 167 334 501 668 1002 2004 2590373 5180746 7771119 10361492 15542238 31084476 432592291 865184582 1297776873 1730369164 2595553746 5191107492