Search a number
-
+
12200203434 = 2318771083307
BaseRepresentation
bin10110101110011000…
…00101010010101010
31011111020211112211110
423113030011102222
5144441223002214
65334340411150
7611222006136
oct132714052252
934436745743
1012200203434
1151a0773461
1224459a6ab6
1311c57905b3
1483a4543c6
154b611a159
hex2d73054aa

12200203434 has 16 divisors (see below), whose sum is σ = 24413429088. Its totient is φ = 4064564112.

The previous prime is 12200203409. The next prime is 12200203489. The reversal of 12200203434 is 43430200221.

It is a self number, because there is not a number n which added to its sum of digits gives 12200203434.

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, 530392 + ... + 552915.

It is an arithmetic number, because the mean of its divisors is an integer number (1525839318).

Almost surely, 212200203434 is an apocalyptic number.

12200203434 is an abundant number, since it is smaller than the sum of its proper divisors (12213225654).

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

12200203434 is a wasteful number, since it uses less digits than its factorization.

12200203434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1085189.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 12200203434 its reverse (43430200221), we get a palindrome (55630403655).

The spelling of 12200203434 in words is "twelve billion, two hundred million, two hundred three thousand, four hundred thirty-four".

Divisors: 1 2 3 6 1877 3754 5631 11262 1083307 2166614 3249921 6499842 2033367239 4066734478 6100101717 12200203434