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137212411 = 7234718133
BaseRepresentation
bin10000010110110…
…11000111111011
3100120012010001011
420023123013323
5240111244121
621340534351
73254200120
oct1013330773
9316163034
10137212411
11704a8796
1239b513b7
132257259b
141431a747
15c0a57e1
hex82db1fb

137212411 has 16 divisors (see below), whose sum is σ = 167122944. Its totient is φ = 110097504.

The previous prime is 137212403. The next prime is 137212447. The reversal of 137212411 is 114212731.

It is a happy number.

It is not a de Polignac number, because 137212411 - 23 = 137212403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137212511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1500 + ... + 16633.

It is an arithmetic number, because the mean of its divisors is an integer number (10445184).

Almost surely, 2137212411 is an apocalyptic number.

137212411 is a deficient number, since it is larger than the sum of its proper divisors (29910533).

137212411 is a wasteful number, since it uses less digits than its factorization.

137212411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18210.

The product of its digits is 336, while the sum is 22.

The square root of 137212411 is about 11713.7701445777. The cubic root of 137212411 is about 515.7799612166.

The spelling of 137212411 in words is "one hundred thirty-seven million, two hundred twelve thousand, four hundred eleven".

Divisors: 1 7 23 47 161 329 1081 7567 18133 126931 417059 852251 2919413 5965757 19601773 137212411