Search a number
-
+
20462761154 = 211930125507
BaseRepresentation
bin10011000011101011…
…001111010011000010
31221211002021222012202
4103003223033103002
5313401431324104
613222255553202
71323041412533
oct230353172302
957732258182
1020462761154
118750771360
123b70b2b802
131c11521bc4
14dc194668a
157eb6ca51e
hex4c3acf4c2

20462761154 has 8 divisors (see below), whose sum is σ = 33484518288. Its totient is φ = 9301255060.

The previous prime is 20462761133. The next prime is 20462761177. The reversal of 20462761154 is 45116726402.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 465062732 + ... + 465062775.

It is an arithmetic number, because the mean of its divisors is an integer number (4185564786).

Almost surely, 220462761154 is an apocalyptic number.

20462761154 is a deficient number, since it is larger than the sum of its proper divisors (13021757134).

20462761154 is a wasteful number, since it uses less digits than its factorization.

20462761154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 930125520.

The product of its (nonzero) digits is 80640, while the sum is 38.

The spelling of 20462761154 in words is "twenty billion, four hundred sixty-two million, seven hundred sixty-one thousand, one hundred fifty-four".

Divisors: 1 2 11 22 930125507 1860251014 10231380577 20462761154