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137282063746 = 268641031873
BaseRepresentation
bin111111111011010100…
…1100000110110000010
3111010100102102102010111
41333312221200312002
54222123202014441
6143022211021534
712626656200622
oct1776651406602
9433312372114
10137282063746
1153248167433
122273359a8aa
13cc3a7685a9
14690468a882
1538872e7081
hex1ff6a60d82

137282063746 has 4 divisors (see below), whose sum is σ = 205923095622. Its totient is φ = 68641031872.

The previous prime is 137282063741. The next prime is 137282063749. The reversal of 137282063746 is 647360282731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 647360282731 = 719117750461.

It can be written as a sum of positive squares in only one way, i.e., 117005727721 + 20276336025 = 342061^2 + 142395^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 137282063746.

It is not an unprimeable number, because it can be changed into a prime (137282063741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34320515935 + ... + 34320515938.

Almost surely, 2137282063746 is an apocalyptic number.

137282063746 is a deficient number, since it is larger than the sum of its proper divisors (68641031876).

137282063746 is an equidigital number, since it uses as much as digits as its factorization.

137282063746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68641031875.

The product of its (nonzero) digits is 2032128, while the sum is 49.

The spelling of 137282063746 in words is "one hundred thirty-seven billion, two hundred eighty-two million, sixty-three thousand, seven hundred forty-six".

Divisors: 1 2 68641031873 137282063746