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49209843237 = 3174322439509
BaseRepresentation
bin101101110101001000…
…101001111000100101
311201000112000001022120
4231311020221320211
51301240204440422
634335013420153
73361315523502
oct556510517045
9151015001276
1049209843237
1119962745635
12965433a659
134843155249
14254b8084a9
15143031445c
hexb75229e25

49209843237 has 16 divisors (see below), whose sum is σ = 71088367680. Its totient is φ = 30158698752.

The previous prime is 49209843209. The next prime is 49209843251. The reversal of 49209843237 is 73234890294.

49209843237 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 49209843237 - 215 = 49209810469 is a prime.

It is a super-2 number, since 2×492098432372 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a self number, because there is not a number n which added to its sum of digits gives 49209843237.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49209843037) 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, 11217562 + ... + 11221947.

It is an arithmetic number, because the mean of its divisors is an integer number (4443022980).

Almost surely, 249209843237 is an apocalyptic number.

It is an amenable number.

49209843237 is a deficient number, since it is larger than the sum of its proper divisors (21878524443).

49209843237 is a wasteful number, since it uses less digits than its factorization.

49209843237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22439572.

The product of its (nonzero) digits is 2612736, while the sum is 51.

The spelling of 49209843237 in words is "forty-nine billion, two hundred nine million, eight hundred forty-three thousand, two hundred thirty-seven".

Divisors: 1 3 17 43 51 129 731 2193 22439509 67318527 381471653 964898887 1144414959 2894696661 16403281079 49209843237