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5051221422151 = 31719325169709
BaseRepresentation
bin100100110000001010001…
…0000100011000001000111
3122212220002022020222020111
41021200110100203001013
51130224400141002101
614424255445213451
71030636655444332
oct111402420430107
918786068228214
105051221422151
111678235898103
12696b63a01287
132a8435bb8c98
141366a23c1619
158b5d9434251
hex49814423047

5051221422151 has 16 divisors (see below), whose sum is σ = 5223097036800. Its totient is φ = 4879908540000.

The previous prime is 5051221422119. The next prime is 5051221422179. The reversal of 5051221422151 is 1512241221505.

It is a cyclic number.

It is not a de Polignac number, because 5051221422151 - 25 = 5051221422119 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5051221422451) 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, 72426685 + ... + 72496393.

It is an arithmetic number, because the mean of its divisors is an integer number (326443564800).

Almost surely, 25051221422151 is an apocalyptic number.

5051221422151 is a deficient number, since it is larger than the sum of its proper divisors (171875614649).

5051221422151 is a wasteful number, since it uses less digits than its factorization.

5051221422151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73710.

The product of its (nonzero) digits is 8000, while the sum is 31.

Adding to 5051221422151 its reverse (1512241221505), we get a palindrome (6563462643656).

The spelling of 5051221422151 in words is "five trillion, fifty-one billion, two hundred twenty-one million, four hundred twenty-two thousand, one hundred fifty-one".

Divisors: 1 31 719 3251 22289 69709 100781 2160979 2337469 50120771 72461539 226623959 1553743901 7025342729 162942626521 5051221422151