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49197077677 = 1171541116437
BaseRepresentation
bin101101110100010111…
…111101010010101101
311200222121222111021001
4231310113331102231
51301223422441202
634333440040301
73361102155226
oct556427752255
9150877874231
1049197077677
1119956516690
129650003091
134840605967
142549c4424d
15142e141d87
hexb745fd4ad

49197077677 has 16 divisors (see below), whose sum is σ = 54526518144. Its totient is φ = 44012808000.

The previous prime is 49197077659. The next prime is 49197077689. The reversal of 49197077677 is 77677079194.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-49197077677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49197077627) 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, 364303 + ... + 480739.

It is an arithmetic number, because the mean of its divisors is an integer number (3407907384).

Almost surely, 249197077677 is an apocalyptic number.

It is an amenable number.

49197077677 is a deficient number, since it is larger than the sum of its proper divisors (5329440467).

49197077677 is a wasteful number, since it uses less digits than its factorization.

49197077677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117060.

The product of its (nonzero) digits is 32672808, while the sum is 64.

The spelling of 49197077677 in words is "forty-nine billion, one hundred ninety-seven million, seventy-seven thousand, six hundred seventy-seven".

Divisors: 1 11 71 541 781 5951 38411 116437 422521 1280807 8267027 62992417 90937297 692916587 4472461607 49197077677