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11431685460380 = 225571584273019
BaseRepresentation
bin1010011001011010010110…
…0011010001000110011100
31111110212011211000012122212
42212112211203101012130
52444244042434213010
640151351021055552
72256624552101003
oct246264543210634
944425154005585
1011431685460380
1137081724676a9
1213476543b75b8
1364c007382b03
142b7421961c3a
1514c56eb5c505
hexa65a58d119c

11431685460380 has 12 divisors (see below), whose sum is σ = 24006539466840. Its totient is φ = 4572674184144.

The previous prime is 11431685460319. The next prime is 11431685460407. The reversal of 11431685460380 is 8306458613411.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 285792136490 + ... + 285792136529.

It is an arithmetic number, because the mean of its divisors is an integer number (2000544955570).

Almost surely, 211431685460380 is an apocalyptic number.

11431685460380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11431685460380 is an abundant number, since it is smaller than the sum of its proper divisors (12574854006460).

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

11431685460380 is a wasteful number, since it uses less digits than its factorization.

11431685460380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571584273028 (or 571584273026 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 50.

The spelling of 11431685460380 in words is "eleven trillion, four hundred thirty-one billion, six hundred eighty-five million, four hundred sixty thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 571584273019 1143168546038 2286337092076 2857921365095 5715842730190 11431685460380