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23031442211412 = 2236777583373861
BaseRepresentation
bin1010011110010011011001…
…11011101000001001010100
310000112210011210210121121110
411033021230323220021110
511004321343201231122
6120552255401215020
74564652415455565
oct517115473501124
9100483153717543
1023031442211412
11737a6417775a8
1226bb793491470
13cb0b17c1675b
14598a28d3c16c
1529e179b3590c
hex14f26cee8254

23031442211412 has 48 divisors (see below), whose sum is σ = 53826652841472. Its totient is φ = 7664776030080.

The previous prime is 23031442211411. The next prime is 23031442211473. The reversal of 23031442211412 is 21411224413032.

It is a happy number.

It is a super-2 number, since 2×230314422114122 (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23031442211412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23031442211411) 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, 61417362 + ... + 61791222.

It is an arithmetic number, because the mean of its divisors is an integer number (1121388600864).

Almost surely, 223031442211412 is an apocalyptic number.

It is an amenable number.

23031442211412 is an abundant number, since it is smaller than the sum of its proper divisors (30795210630060).

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

23031442211412 is a wasteful number, since it uses less digits than its factorization.

23031442211412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382128 (or 382126 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

Adding to 23031442211412 its reverse (21411224413032), we get a palindrome (44442666624444).

The spelling of 23031442211412 in words is "twenty-three trillion, thirty-one billion, four hundred forty-two million, two hundred eleven thousand, four hundred twelve".

Divisors: 1 2 3 4 6 12 677 1354 2031 2708 4062 7583 8124 15166 22749 30332 45498 90996 373861 747722 1121583 1495444 2243166 4486332 5133691 10267382 15401073 20534764 30802146 61604292 253103897 506207794 759311691 1012415588 1518623382 2834987963 3037246764 5669975926 8504963889 11339951852 17009927778 34019855556 1919286850951 3838573701902 5757860552853 7677147403804 11515721105706 23031442211412