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244025511431 = 1389227929129
BaseRepresentation
bin1110001101000100001…
…1011100111000000111
3212022212120001101112212
43203101003130320013
512444231012331211
6304034225334035
723426115423512
oct3432103347007
9768776041485
10244025511431
1194544048599
123b36379731b
131a01c386060
14bb4d163d79
15653357038b
hex38d10dce07

244025511431 has 16 divisors (see below), whose sum is σ = 266920466400. Its totient is φ = 221741971968.

The previous prime is 244025511427. The next prime is 244025511437. The reversal of 244025511431 is 134115520442.

It is a cyclic number.

It is not a de Polignac number, because 244025511431 - 22 = 244025511427 is a prime.

It is a super-2 number, since 2×2440255114312 (a number of 24 digits) 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 (244025511437) 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, 201926 + ... + 727203.

It is an arithmetic number, because the mean of its divisors is an integer number (16682529150).

Almost surely, 2244025511431 is an apocalyptic number.

244025511431 is a deficient number, since it is larger than the sum of its proper divisors (22894954969).

244025511431 is a wasteful number, since it uses less digits than its factorization.

244025511431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 929458.

The product of its (nonzero) digits is 19200, while the sum is 32.

The spelling of 244025511431 in words is "two hundred forty-four billion, twenty-five million, five hundred eleven thousand, four hundred thirty-one".

Divisors: 1 13 89 227 1157 2951 20203 262639 929129 12078677 82692481 210912283 1075002253 2741859679 18771193187 244025511431