Search a number
-
+
20614626725 = 5271197113977
BaseRepresentation
bin10011001100101110…
…100011110110100101
31222012200001112121112
4103030232203312211
5314204321023400
613245322554405
71326564302360
oct231456436645
958180045545
1020614626725
1188194681a0
123bb3968a05
131c36b24ca4
14dd7b990d7
15809bc7835
hex4ccba3da5

20614626725 has 96 divisors (see below), whose sum is σ = 32516418816. Its totient is φ = 12592742400.

The previous prime is 20614626679. The next prime is 20614626733. The reversal of 20614626725 is 52762641602.

It is not a de Polignac number, because 20614626725 - 26 = 20614626661 is a prime.

It is a super-2 number, since 2×206146267252 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 21099437 + ... + 21100413.

It is an arithmetic number, because the mean of its divisors is an integer number (338712696).

Almost surely, 220614626725 is an apocalyptic number.

20614626725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20614626725 is a deficient number, since it is larger than the sum of its proper divisors (11901792091).

20614626725 is a wasteful number, since it uses less digits than its factorization.

20614626725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1215 (or 1210 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 41.

The spelling of 20614626725 in words is "twenty billion, six hundred fourteen million, six hundred twenty-six thousand, seven hundred twenty-five".

Divisors: 1 5 7 11 25 35 55 77 97 113 175 275 385 485 565 679 791 977 1067 1243 1925 2425 2825 3395 3955 4885 5335 6215 6839 7469 8701 10747 10961 16975 19775 24425 26675 31075 34195 37345 43505 53735 54805 75229 76727 94769 110401 120571 170975 186725 217525 268675 274025 376145 383635 473845 552005 602855 663383 772807 843997 1042459 1214411 1880725 1918175 2369225 2760025 3014275 3316915 3864035 4219985 5212295 6072055 7297213 8500877 10708897 16584575 19320175 21099925 26061475 30360275 36486065 42504385 53544485 74962279 117797867 182430325 212521925 267722425 374811395 588989335 824585069 1874056975 2944946675 4122925345 20614626725