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137950033 = 1310611541
BaseRepresentation
bin10000011100011…
…11001101010001
3100121120120212111
420032033031101
5240303400113
621404425321
73263361454
oct1016171521
9317516774
10137950033
11709619a1
123a248241
1322770250
141446d49b
15c19e13d
hex838f351

137950033 has 4 divisors (see below), whose sum is σ = 148561588. Its totient is φ = 127338480.

The previous prime is 137950003. The next prime is 137950049. The reversal of 137950033 is 330059731.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 22344529 + 115605504 = 4727^2 + 10752^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-137950033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 137949977 and 137950004.

It is not an unprimeable number, because it can be changed into a prime (137950003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5305758 + ... + 5305783.

It is an arithmetic number, because the mean of its divisors is an integer number (37140397).

Almost surely, 2137950033 is an apocalyptic number.

137950033 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

137950033 is a deficient number, since it is larger than the sum of its proper divisors (10611555).

137950033 is a wasteful number, since it uses less digits than its factorization.

137950033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10611554.

The product of its (nonzero) digits is 8505, while the sum is 31.

The square root of 137950033 is about 11745.2131951702. The cubic root of 137950033 is about 516.7025476758.

The spelling of 137950033 in words is "one hundred thirty-seven million, nine hundred fifty thousand, thirty-three".

Divisors: 1 13 10611541 137950033