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1222030120144 = 2476376882509
BaseRepresentation
bin10001110010000110101…
…010111101010011010000
311022211021101021011112011
4101302012222331103100
5130010204202321034
62333220510312304
7154201021430401
oct21620652752320
94284241234464
101222030120144
11431295165459
12178a074b8694
138b310754562
144320a2a99a8
1521bc3cb8864
hex11c86abd4d0

1222030120144 has 10 divisors (see below), whose sum is σ = 2367683357810. Its totient is φ = 611015060064.

The previous prime is 1222030120067. The next prime is 1222030120177. The reversal of 1222030120144 is 4410210302221.

It can be written as a sum of positive squares in only one way, i.e., 796534830144 + 425495290000 = 892488^2 + 652300^2 .

It is a super-2 number, since 2×12220301201442 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38188441239 + ... + 38188441270.

It is an arithmetic number, because the mean of its divisors is an integer number (236768335781).

Almost surely, 21222030120144 is an apocalyptic number.

It is an amenable number.

1222030120144 is a deficient number, since it is larger than the sum of its proper divisors (1145653237666).

1222030120144 is an equidigital number, since it uses as much as digits as its factorization.

1222030120144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76376882517 (or 76376882511 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 1222030120144 its reverse (4410210302221), we get a palindrome (5632240422365).

The spelling of 1222030120144 in words is "one trillion, two hundred twenty-two billion, thirty million, one hundred twenty thousand, one hundred forty-four".

Divisors: 1 2 4 8 16 76376882509 152753765018 305507530036 611015060072 1222030120144