Search a number
-
+
22129801454 = 237490960919
BaseRepresentation
bin10100100111000010…
…011111100011101110
32010010021010101121002
4110213002133203232
5330310212121304
614055530240302
71412253131405
oct244702374356
963107111532
1022129801454
119426772412
124357286092
1321189cb297
1410dd0cc63c
15897c1d31e
hex52709f8ee

22129801454 has 16 divisors (see below), whose sum is σ = 34099360800. Its totient is φ = 10763479584.

The previous prime is 22129801411. The next prime is 22129801501. The reversal of 22129801454 is 45410892122.

It is a super-2 number, since 2×221298014542 (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 7 ways as a sum of consecutive naturals, for example, 332807 + ... + 393725.

It is an arithmetic number, because the mean of its divisors is an integer number (2131210050).

Almost surely, 222129801454 is an apocalyptic number.

22129801454 is a deficient number, since it is larger than the sum of its proper divisors (11969559346).

22129801454 is a wasteful number, since it uses less digits than its factorization.

22129801454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65867.

The product of its (nonzero) digits is 46080, while the sum is 38.

The spelling of 22129801454 in words is "twenty-two billion, one hundred twenty-nine million, eight hundred one thousand, four hundred fifty-four".

Divisors: 1 2 37 74 4909 9818 60919 121838 181633 363266 2254003 4508006 299051371 598102742 11064900727 22129801454