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210000111211201 = 1431461146703341
BaseRepresentation
bin101111101111111001110110…
…000010000001001011000001
31000112112210222211010102111011
4233233321312002001023001
5210011120211432224301
62022344415210120521
762143002344160043
oct5757716602011301
91015483884112434
10210000111211201
1160a046020a5a53
121b677518420141
139023c05484b3c
1439c00b9821a93
1519428b8b4da51
hexbefe760812c1

210000111211201 has 4 divisors (see below), whose sum is σ = 210000259346004. Its totient is φ = 209999963076400.

The previous prime is 210000111211181. The next prime is 210000111211283. The reversal of 210000111211201 is 102112111000012.

It is a happy number.

210000111211201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 73913911182400 + 136086200028801 = 8597320^2 + 11665599^2 .

It is a cyclic number.

It is not a de Polignac number, because 210000111211201 - 211 = 210000111209153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210000111211801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71920210 + ... + 74783131.

It is an arithmetic number, because the mean of its divisors is an integer number (52500064836501).

Almost surely, 2210000111211201 is an apocalyptic number.

It is an amenable number.

210000111211201 is a deficient number, since it is larger than the sum of its proper divisors (148134803).

210000111211201 is a wasteful number, since it uses less digits than its factorization.

210000111211201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148134802.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 210000111211201 its reverse (102112111000012), we get a palindrome (312112222211213).

The spelling of 210000111211201 in words is "two hundred ten trillion, one hundred eleven million, two hundred eleven thousand, two hundred one".

Divisors: 1 1431461 146703341 210000111211201