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2211220103 = 26354115541
BaseRepresentation
bin1000001111001100…
…1000101010000111
312201002210121201212
42003303020222013
514012033020403
61003230042035
7105540026561
oct20363105207
95632717655
102211220103
11a351a3434
1251864931b
1329315c681
1416d95c331
15ce1d64d8
hex83cc8a87

2211220103 has 8 divisors (see below), whose sum is σ = 2223873696. Its totient is φ = 2198599200.

The previous prime is 2211220097. The next prime is 2211220129. The reversal of 2211220103 is 3010221122.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2211220103 is a prime.

It is a super-2 number, since 2×22112201032 = 9778988687822661218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2211220183) 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, 134513 + ... + 150053.

It is an arithmetic number, because the mean of its divisors is an integer number (277984212).

Almost surely, 22211220103 is an apocalyptic number.

2211220103 is a deficient number, since it is larger than the sum of its proper divisors (12653593).

2211220103 is a wasteful number, since it uses less digits than its factorization.

2211220103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16345.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 2211220103 is about 47023.6121857945. The cubic root of 2211220103 is about 1302.7987244437.

Adding to 2211220103 its reverse (3010221122), we get a palindrome (5221441225).

The spelling of 2211220103 in words is "two billion, two hundred eleven million, two hundred twenty thousand, one hundred three".

Divisors: 1 263 541 15541 142283 4087283 8407681 2211220103