Search a number
-
+
22552215740 = 2251537773331
BaseRepresentation
bin10101000000001101…
…111000000010111100
32011012200222021001122
4111000031320002330
5332141331400430
614205500130112
71425602446055
oct250015700274
964180867048
1022552215740
11962315752a
124454836938
132185389b72
14113d24972c
158bed5cee5
hex5403780bc

22552215740 has 24 divisors (see below), whose sum is σ = 47363378832. Its totient is φ = 9020176640.

The previous prime is 22552215731. The next prime is 22552215773. The reversal of 22552215740 is 4751225522.

It is a self number, because there is not a number n which added to its sum of digits gives 22552215740.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 270875 + ... + 344205.

It is an arithmetic number, because the mean of its divisors is an integer number (1973474118).

Almost surely, 222552215740 is an apocalyptic number.

22552215740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22552215740 is an abundant number, since it is smaller than the sum of its proper divisors (24811163092).

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

22552215740 is a wasteful number, since it uses less digits than its factorization.

22552215740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88717 (or 88715 counting only the distinct ones).

The product of its (nonzero) digits is 56000, while the sum is 35.

The spelling of 22552215740 in words is "twenty-two billion, five hundred fifty-two million, two hundred fifteen thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 15377 30754 61508 73331 76885 146662 153770 293324 307540 366655 733310 1466620 1127610787 2255221574 4510443148 5638053935 11276107870 22552215740