Search a number
-
+
101222164525 = 5223476755903
BaseRepresentation
bin101111001000101001…
…1111010100000101101
3100200021100100201210111
41132101103322200231
53124300333231100
6114300102140021
710212244126246
oct1362123724055
9320240321714
10101222164525
1139a23300429
121774b121611
139711a94611
144c834bdccd
1529766a26ba
hex17914fa82d

101222164525 has 48 divisors (see below), whose sum is σ = 135758168064. Its totient is φ = 74676127680.

The previous prime is 101222164487. The next prime is 101222164531. The reversal of 101222164525 is 525461222101.

It is not a de Polignac number, because 101222164525 - 27 = 101222164397 is a prime.

It is a super-2 number, since 2×1012221645252 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

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 47 ways as a sum of consecutive naturals, for example, 1782724 + ... + 1838626.

It is an arithmetic number, because the mean of its divisors is an integer number (2828295168).

Almost surely, 2101222164525 is an apocalyptic number.

It is an amenable number.

101222164525 is a deficient number, since it is larger than the sum of its proper divisors (34536003539).

101222164525 is a wasteful number, since it uses less digits than its factorization.

101222164525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56050 (or 56045 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 31.

Adding to 101222164525 its reverse (525461222101), we get a palindrome (626683386626).

The spelling of 101222164525 in words is "one hundred one billion, two hundred twenty-two million, one hundred sixty-four thousand, five hundred twenty-five".

Divisors: 1 5 23 25 47 67 115 235 335 575 1081 1175 1541 1675 3149 5405 7705 15745 27025 38525 55903 72427 78725 279515 362135 1285769 1397575 1810675 2627441 3745501 6428845 13137205 18727505 32144225 60431143 65686025 86146523 93637525 176038547 302155715 430732615 880192735 1510778575 2153663075 4048886581 4400963675 20244432905 101222164525