Search a number
-
+
22973257908 = 223523635039
BaseRepresentation
bin10101011001010100…
…000001100010110100
32012022001020102100000
4111121110001202310
5334022123223113
614315340351300
71442204320206
oct253124014264
965261212300
1022973257908
119819894767
124551845530
132221688043
14117d12a776
158e6ccb373
hex5595018b4

22973257908 has 36 divisors (see below), whose sum is σ = 60222081920. Its totient is φ = 7657752312.

The previous prime is 22973257891. The next prime is 22973257933. The reversal of 22973257908 is 80975237922.

22973257908 is a `hidden beast` number, since 229 + 7 + 325 + 7 + 90 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11816548 + ... + 11818491.

Almost surely, 222973257908 is an apocalyptic number.

It is an amenable number.

22973257908 is an abundant number, since it is smaller than the sum of its proper divisors (37248824012).

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

22973257908 is a wasteful number, since it uses less digits than its factorization.

22973257908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23635058 (or 23635044 counting only the distinct ones).

The product of its (nonzero) digits is 3810240, while the sum is 54.

The spelling of 22973257908 in words is "twenty-two billion, nine hundred seventy-three million, two hundred fifty-seven thousand, nine hundred eight".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 81 108 162 243 324 486 972 23635039 47270078 70905117 94540156 141810234 212715351 283620468 425430702 638146053 850861404 1276292106 1914438159 2552584212 3828876318 5743314477 7657752636 11486628954 22973257908