Search a number
-
+
6111872680 = 235167914951
BaseRepresentation
bin1011011000100101…
…11100011010101000
3120202221120022010211
411230102330122220
5100004114411210
62450250350504
7304313026534
oct55422743250
916687508124
106111872680
112656aa1451
121226a2b434
13765308614
1441da10bc4
1525b88538a
hex16c4bc6a8

6111872680 has 32 divisors (see below), whose sum is σ = 13834074240. Its totient is φ = 2430107200.

The previous prime is 6111872653. The next prime is 6111872687. The reversal of 6111872680 is 862781116.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (6111872687) 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, 450796 + ... + 464155.

It is an arithmetic number, because the mean of its divisors is an integer number (432314820).

Almost surely, 26111872680 is an apocalyptic number.

It is an amenable number.

6111872680 is an abundant number, since it is smaller than the sum of its proper divisors (7722201560).

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

6111872680 is a wasteful number, since it uses less digits than its factorization.

6111872680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 915129 (or 915125 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 40.

The square root of 6111872680 is about 78178.4668562898. The cubic root of 6111872680 is about 1828.3447941659.

The spelling of 6111872680 in words is "six billion, one hundred eleven million, eight hundred seventy-two thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 167 334 668 835 1336 1670 3340 6680 914951 1829902 3659804 4574755 7319608 9149510 18299020 36598040 152796817 305593634 611187268 763984085 1222374536 1527968170 3055936340 6111872680