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90430606043 = 223940388837
BaseRepresentation
bin101010000111000010…
…1011000101011011011
322122102021010202120022
41110032011120223123
52440200213343133
6105313201421055
76350645316521
oct1241605305333
9278367122508
1090430606043
11353957a0858
121563903a78b
1386b20bb65b
14453c18c311
152544088998
hex150e158adb

90430606043 has 4 divisors (see below), whose sum is σ = 90470997120. Its totient is φ = 90390214968.

The previous prime is 90430606027. The next prime is 90430606061. The reversal of 90430606043 is 34060603409.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34060603409 = 74865800487.

It is a cyclic number.

It is not a de Polignac number, because 90430606043 - 24 = 90430606027 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 90430605994 and 90430606012.

It is not an unprimeable number, because it can be changed into a prime (90430626043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20192180 + ... + 20196657.

It is an arithmetic number, because the mean of its divisors is an integer number (22617749280).

Almost surely, 290430606043 is an apocalyptic number.

90430606043 is a deficient number, since it is larger than the sum of its proper divisors (40391077).

90430606043 is a wasteful number, since it uses less digits than its factorization.

90430606043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40391076.

The product of its (nonzero) digits is 46656, while the sum is 35.

The spelling of 90430606043 in words is "ninety billion, four hundred thirty million, six hundred six thousand, forty-three".

Divisors: 1 2239 40388837 90430606043