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121545022 = 2607310007
BaseRepresentation
bin1110011111010…
…10000100111110
322110201010102111
413033222010332
5222103420042
620021044234
73004054444
oct717520476
9273633374
10121545022
1162677635
123485667a
131c248241
14121dcb94
15aa0d517
hex73ea13e

121545022 has 8 divisors (see below), whose sum is σ = 182365776. Its totient is φ = 60756432.

The previous prime is 121545013. The next prime is 121545029. The reversal of 121545022 is 220545121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 121544984 and 121545002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121545029) 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, 7143 + ... + 17149.

It is an arithmetic number, because the mean of its divisors is an integer number (22795722).

Almost surely, 2121545022 is an apocalyptic number.

121545022 is a deficient number, since it is larger than the sum of its proper divisors (60820754).

121545022 is a wasteful number, since it uses less digits than its factorization.

121545022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16082.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 121545022 is about 11024.7458927632. The cubic root of 121545022 is about 495.3502564743.

Subtracting 121545022 from its reverse (220545121), we obtain a palindrome (99000099).

The spelling of 121545022 in words is "one hundred twenty-one million, five hundred forty-five thousand, twenty-two".

Divisors: 1 2 6073 10007 12146 20014 60772511 121545022