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420423212312030 = 25672292740163021
BaseRepresentation
bin101111110010111110110100…
…0001110011010010111011110
32001010121001210112100121201202
41133211331220032122113132
5420101203214322441110
64050055431333435502
7154361401062161324
oct13745755016322736
92033531715317652
10420423212312030
11111a61534a37684
123b1a0a0319bb92
131507897b2072a5
1475b6840821d14
15339128c65a0a5
hex17e5f6839a5de

420423212312030 has 32 divisors (see below), whose sum is σ = 771410693953440. Its totient is φ = 164935892499840.

The previous prime is 420423212312011. The next prime is 420423212312063. The reversal of 420423212312030 is 30213212324024.

It is a junction number, because it is equal to n+sod(n) for n = 420423212311984 and 420423212312002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1369928081 + ... + 1370234940.

It is an arithmetic number, because the mean of its divisors is an integer number (24106584186045).

Almost surely, 2420423212312030 is an apocalyptic number.

420423212312030 is a deficient number, since it is larger than the sum of its proper divisors (350987481641410).

420423212312030 is a wasteful number, since it uses less digits than its factorization.

420423212312030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2740163324.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 420423212312030 its reverse (30213212324024), we get a palindrome (450636424636054).

The spelling of 420423212312030 in words is "four hundred twenty trillion, four hundred twenty-three billion, two hundred twelve million, three hundred twelve thousand, thirty".

Divisors: 1 2 5 10 67 134 229 335 458 670 1145 2290 15343 30686 76715 153430 2740163021 5480326042 13700815105 27401630210 183590922407 367181844814 627497331809 917954612035 1254994663618 1835909224070 3137486659045 6274973318090 42042321231203 84084642462406 210211606156015 420423212312030