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720053031612 = 223397160993937
BaseRepresentation
bin10100111101001101000…
…00010101001010111100
32112211120201210221200110
422132212200111022330
543244132034002422
61310442055230020
7103010404532355
oct12364640251274
92484521727613
10720053031612
1125841118a0a2
12b7674378310
1352b92b21b15
1426bca672d2c
1513ae47eb60c
hexa7a68152bc

720053031612 has 48 divisors (see below), whose sum is σ = 1685420565920. Its totient is φ = 239261755392.

The previous prime is 720053031521. The next prime is 720053031617. The reversal of 720053031612 is 216130350027.

It is a self number, because there is not a number n which added to its sum of digits gives 720053031612.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (720053031617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7618308 + ... + 7712244.

Almost surely, 2720053031612 is an apocalyptic number.

It is an amenable number.

720053031612 is an abundant number, since it is smaller than the sum of its proper divisors (965367534308).

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

720053031612 is a wasteful number, since it uses less digits than its factorization.

720053031612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95950 (or 95948 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 30.

Adding to 720053031612 its reverse (216130350027), we get a palindrome (936183381639).

The spelling of 720053031612 in words is "seven hundred twenty billion, fifty-three million, thirty-one thousand, six hundred twelve".

Divisors: 1 2 3 4 6 12 397 794 1191 1588 1609 2382 3218 4764 4827 6436 9654 19308 93937 187874 281811 375748 563622 638773 1127244 1277546 1916319 2555092 3832638 7665276 37292989 74585978 111878967 149171956 151144633 223757934 302289266 447515868 453433899 604578532 906867798 1813735596 60004419301 120008838602 180013257903 240017677204 360026515806 720053031612