Search a number
-
+
22113087970 = 252937547129
BaseRepresentation
bin10100100110000010…
…101111000111100010
32010002002200021000011
4110212002233013202
5330241422303340
614054132115134
71411661101141
oct244602570742
963062607004
1022113087970
119418297316
124351765aaa
1321153c8a4c
1410dabbb758
1589651b0ea
hex5260af1e2

22113087970 has 16 divisors (see below), whose sum is σ = 39939411960. Its totient is φ = 8815045504.

The previous prime is 22113087967. The next prime is 22113087973. The reversal of 22113087970 is 7978031122.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22113087967) and next prime (22113087973).

It can be written as a sum of positive squares in 4 ways, for example, as 18092133049 + 4020954921 = 134507^2 + 63411^2 .

It is not an unprimeable number, because it can be changed into a prime (22113087973) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3770635 + ... + 3776494.

Almost surely, 222113087970 is an apocalyptic number.

22113087970 is a deficient number, since it is larger than the sum of its proper divisors (17826323990).

22113087970 is a wasteful number, since it uses less digits than its factorization.

22113087970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7547429.

The product of its (nonzero) digits is 42336, while the sum is 40.

The spelling of 22113087970 in words is "twenty-two billion, one hundred thirteen million, eighty-seven thousand, nine hundred seventy".

Divisors: 1 2 5 10 293 586 1465 2930 7547129 15094258 37735645 75471290 2211308797 4422617594 11056543985 22113087970