Search a number
-
+
6920751552 = 2631113443569
BaseRepresentation
bin1100111001000001…
…00100100111000000
3122212022121121100120
412130200210213000
5103133203022202
63102423420240
7333334263141
oct63440444700
918768547316
106920751552
112a31647090
1214118b4680
13863a79980
1449920bac8
152a78b30bc
hex19c8249c0

6920751552 has 224 divisors, whose sum is σ = 21598859520. Its totient is φ = 1928110080.

The previous prime is 6920751511. The next prime is 6920751571. The reversal of 6920751552 is 2551570296.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12162724 + ... + 12163292.

It is an arithmetic number, because the mean of its divisors is an integer number (96423480).

Almost surely, 26920751552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6920751552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10799429760).

6920751552 is an abundant number, since it is smaller than the sum of its proper divisors (14678107968).

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

6920751552 is a wasteful number, since it uses less digits than its factorization.

6920751552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1051 (or 1041 counting only the distinct ones).

The product of its (nonzero) digits is 189000, while the sum is 42.

The square root of 6920751552 is about 83191.0545191008. The cubic root of 6920751552 is about 1905.6848713787.

The spelling of 6920751552 in words is "six billion, nine hundred twenty million, seven hundred fifty-one thousand, five hundred fifty-two".