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472845473727640 = 235136847911327877
BaseRepresentation
bin110101110000011001110101…
…0011111101100010010011000
32022000012120211001201012002221
41223200303222133230102120
5443434100012233241030
64353354113431433424
7201411646431126046
oct15340635237542230
92260176731635087
10472845473727640
11127732703954992
1245048754525874
13173ac1a1860320
1484a9bb342b396
15399ebe120ae7a
hex1ae0cea7ec498

472845473727640 has 64 divisors (see below), whose sum is σ = 1145743491533760. Its totient is φ = 174588711559680.

The previous prime is 472845473727559. The next prime is 472845473727647. The reversal of 472845473727640 is 46727374548274.

It is a self number, because there is not a number n which added to its sum of digits gives 472845473727640.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (472845473727647) 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, 355427382 + ... + 356755258.

It is an arithmetic number, because the mean of its divisors is an integer number (17902242055215).

Almost surely, 2472845473727640 is an apocalyptic number.

472845473727640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

472845473727640 is an abundant number, since it is smaller than the sum of its proper divisors (672898017806120).

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

472845473727640 is a wasteful number, since it uses less digits than its factorization.

472845473727640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2012692 (or 2012688 counting only the distinct ones).

The product of its (nonzero) digits is 1770209280, while the sum is 70.

The spelling of 472845473727640 in words is "four hundred seventy-two trillion, eight hundred forty-five billion, four hundred seventy-three million, seven hundred twenty-seven thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 13 20 26 40 52 65 104 130 260 520 684791 1327877 1369582 2655754 2739164 3423955 5311508 5478328 6639385 6847910 8902283 10623016 13278770 13695820 17262401 17804566 26557540 27391640 34524802 35609132 44511415 53115080 69049604 71218264 86312005 89022830 138099208 172624010 178045660 345248020 356091320 690496040 909318218707 1818636437414 3637272874828 4546591093535 7274545749656 9093182187070 11821136843191 18186364374140 23642273686382 36372728748280 47284547372764 59105684215955 94569094745528 118211368431910 236422736863820 472845473727640