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227740406123454 = 2375422390621987
BaseRepresentation
bin110011110010000011110010…
…000000100000101110111110
31002212100202210110210200111020
4303302003302000200232332
5214322244322431422304
62124210255342005010
765653462365661440
oct6362036200405676
91085322713720436
10227740406123454
1166624189092984
1221661749276766
139a0ca9c594253
1440349a18a6490
151b4e0b5b865d9
hexcf20f2020bbe

227740406123454 has 16 divisors (see below), whose sum is σ = 520549499710848. Its totient is φ = 65068687463832.

The previous prime is 227740406123443. The next prime is 227740406123533. The reversal of 227740406123454 is 454321604047722.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 227740406123397 and 227740406123406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2711195310952 + ... + 2711195311035.

It is an arithmetic number, because the mean of its divisors is an integer number (32534343731928).

Almost surely, 2227740406123454 is an apocalyptic number.

227740406123454 is an abundant number, since it is smaller than the sum of its proper divisors (292809093587394).

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

227740406123454 is a wasteful number, since it uses less digits than its factorization.

227740406123454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5422390621999.

The product of its (nonzero) digits is 9031680, while the sum is 51.

The spelling of 227740406123454 in words is "two hundred twenty-seven trillion, seven hundred forty billion, four hundred six million, one hundred twenty-three thousand, four hundred fifty-four".

Divisors: 1 2 3 6 7 14 21 42 5422390621987 10844781243974 16267171865961 32534343731922 37956734353909 75913468707818 113870203061727 227740406123454