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2221152000231 = 323286571123307
BaseRepresentation
bin100000010100100110111…
…110011101100011100111
321212100011220100110221110
4200110212332131203213
5242342404403001411
64420214431520103
7316321134330153
oct40244676354347
97770156313843
102221152000231
11786a9244290a
122ba583389033
131315b8b177c8
147970bc50063
153cb9d3c62a6
hex20526f9d8e7

2221152000231 has 16 divisors (see below), whose sum is σ = 3090409023744. Its totient is φ = 1416336096384.

The previous prime is 2221152000191. The next prime is 2221152000257. The reversal of 2221152000231 is 1320002511222.

It is not a de Polignac number, because 2221152000231 - 26 = 2221152000167 is a prime.

It is a super-2 number, since 2×22211520002312 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2221152000198 and 2221152000207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221151000231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1415680 + ... + 2538986.

It is an arithmetic number, because the mean of its divisors is an integer number (193150563984).

Almost surely, 22221152000231 is an apocalyptic number.

2221152000231 is a deficient number, since it is larger than the sum of its proper divisors (869257023513).

2221152000231 is a wasteful number, since it uses less digits than its factorization.

2221152000231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1151990.

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 2221152000231 its reverse (1320002511222), we get a palindrome (3541154511453).

The spelling of 2221152000231 in words is "two trillion, two hundred twenty-one billion, one hundred fifty-two million, two hundred thirty-one", and thus it is an aban number.

Divisors: 1 3 23 69 28657 85971 659111 1123307 1977333 3369921 25836061 77508183 32190608699 96571826097 740384000077 2221152000231