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1445231435380 = 225283255341243
BaseRepresentation
bin10101000001111110100…
…000011001111001110100
312010011101122220210012021
4111001332200121321310
5142134313221413010
63023532525202524
7206262116340025
oct25017640317164
95104348823167
101445231435380
11507a12517147
121b4119100444
13a639175a715
144dd418c0c4c
15278d90668da
hex1507e819e74

1445231435380 has 24 divisors (see below), whose sum is σ = 3045710358432. Its totient is φ = 576049841952.

The previous prime is 1445231435371. The next prime is 1445231435381. The reversal of 1445231435380 is 835341325441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1445231435381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127664962 + ... + 127676281.

It is an arithmetic number, because the mean of its divisors is an integer number (126904598268).

Almost surely, 21445231435380 is an apocalyptic number.

1445231435380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1445231435380 is an abundant number, since it is smaller than the sum of its proper divisors (1600478923052).

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

1445231435380 is a wasteful number, since it uses less digits than its factorization.

1445231435380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255341535 (or 255341533 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 43.

The spelling of 1445231435380 in words is "one trillion, four hundred forty-five billion, two hundred thirty-one million, four hundred thirty-five thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 283 566 1132 1415 2830 5660 255341243 510682486 1021364972 1276706215 2553412430 5106824860 72261571769 144523143538 289046287076 361307858845 722615717690 1445231435380