Search a number
-
+
197252774560 = 2551232829841
BaseRepresentation
bin1011011110110100101…
…1100111101010100000
3200212010212220011200001
42313231023213222200
511212433202241220
6230341111305344
720152051630252
oct2675513475240
9625125804601
10197252774560
117672205a056
123228b67b254
13157a710c1aa
1497932b7cd2
1551e71b180a
hex2ded2e7aa0

197252774560 has 24 divisors (see below), whose sum is σ = 466009680276. Its totient is φ = 78901109760.

The previous prime is 197252774549. The next prime is 197252774573. The reversal of 197252774560 is 65477252791.

It can be written as a sum of positive squares in 2 ways, for example, as 191658332944 + 5594441616 = 437788^2 + 74796^2 .

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 616414761 + ... + 616415080.

Almost surely, 2197252774560 is an apocalyptic number.

197252774560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

197252774560 is an abundant number, since it is smaller than the sum of its proper divisors (268756905716).

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

197252774560 is a wasteful number, since it uses less digits than its factorization.

197252774560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1232829856 (or 1232829848 counting only the distinct ones).

The product of its (nonzero) digits is 7408800, while the sum is 55.

The spelling of 197252774560 in words is "one hundred ninety-seven billion, two hundred fifty-two million, seven hundred seventy-four thousand, five hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 1232829841 2465659682 4931319364 6164149205 9862638728 12328298410 19725277456 24656596820 39450554912 49313193640 98626387280 197252774560