Search a number
-
+
211274157425 = 5216381163929
BaseRepresentation
bin1100010011000011101…
…0111100110101110001
3202012100001121020000112
43010300322330311301
511430142141014200
6241020310231105
721156366464432
oct3046072746561
9665301536015
10211274157425
1181667832581
1234b43355495
1316bccc96a46
14a323559489
15576811a535
hex3130ebcd71

211274157425 has 24 divisors (see below), whose sum is σ = 263916337440. Its totient is φ = 167772643200.

The previous prime is 211274157407. The next prime is 211274157439. The reversal of 211274157425 is 524751472112.

It is not a de Polignac number, because 211274157425 - 26 = 211274157361 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3272861 + ... + 3336789.

It is an arithmetic number, because the mean of its divisors is an integer number (10996514060).

Almost surely, 2211274157425 is an apocalyptic number.

211274157425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

211274157425 is a deficient number, since it is larger than the sum of its proper divisors (52642180015).

211274157425 is a wasteful number, since it uses less digits than its factorization.

211274157425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64913 (or 64908 counting only the distinct ones).

The product of its digits is 156800, while the sum is 41.

The spelling of 211274157425 in words is "two hundred eleven billion, two hundred seventy-four million, one hundred fifty-seven thousand, four hundred twenty-five".

Divisors: 1 5 25 163 811 815 4055 4075 20275 63929 132193 319645 660965 1598225 3304825 10420427 51846419 52102135 259232095 260510675 1296160475 8450966297 42254831485 211274157425