Search a number
-
+
123071402 = 2538711423
BaseRepresentation
bin1110101010111…
…10101110101010
322120120200020002
413111132232222
5223001241102
620113503002
73023042516
oct725365652
9276520202
10123071402
116351a403
1235271a62
131c660c1c
14124b9146
15ac10902
hex755ebaa

123071402 has 8 divisors (see below), whose sum is σ = 184657536. Its totient is φ = 61518892.

The previous prime is 123071401. The next prime is 123071411. The reversal of 123071402 is 204170321.

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

It is not an unprimeable number, because it can be changed into a prime (123071401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5063 + ... + 16485.

It is an arithmetic number, because the mean of its divisors is an integer number (23082192).

Almost surely, 2123071402 is an apocalyptic number.

123071402 is a deficient number, since it is larger than the sum of its proper divisors (61586134).

123071402 is a wasteful number, since it uses less digits than its factorization.

123071402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16812.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 123071402 is about 11093.7550901397. The cubic root of 123071402 is about 497.4151966090.

The spelling of 123071402 in words is "one hundred twenty-three million, seventy-one thousand, four hundred two".

Divisors: 1 2 5387 10774 11423 22846 61535701 123071402