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420845688740476 = 22195537443272901
BaseRepresentation
bin101111110110000011100010…
…1110010000101101001111100
32001012002110021122021212011101
41133230013011302011221330
5420130113432304143401
64051021501305502444
7154434045326442256
oct13754070562055174
92035073248255141
10420845688740476
1111210472196237a
123b24a8697a1a24
13150a97692b871c
1475cd07bb42cd6
15339c2673e1101
hex17ec1c5c85a7c

420845688740476 has 12 divisors (see below), whose sum is σ = 775242058206280. Its totient is φ = 199347957824400.

The previous prime is 420845688740467. The next prime is 420845688740567. The reversal of 420845688740476 is 674047886548024.

It is a super-2 number, since 2×4208456887404762 (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 420845688740399 and 420845688740408.

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, 2768721636375 + ... + 2768721636526.

Almost surely, 2420845688740476 is an apocalyptic number.

It is an amenable number.

420845688740476 is a deficient number, since it is larger than the sum of its proper divisors (354396369465804).

420845688740476 is a wasteful number, since it uses less digits than its factorization.

420845688740476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5537443272924 (or 5537443272922 counting only the distinct ones).

The product of its (nonzero) digits is 2312110080, while the sum is 73.

The spelling of 420845688740476 in words is "four hundred twenty trillion, eight hundred forty-five billion, six hundred eighty-eight million, seven hundred forty thousand, four hundred seventy-six".

Divisors: 1 2 4 19 38 76 5537443272901 11074886545802 22149773091604 105211422185119 210422844370238 420845688740476