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157347112348447 = 722478158906921
BaseRepresentation
bin100011110001101100111010…
…101111001110101100011111
3202122010020101210120001221021
4203301230322233032230133
5131110433341230122242
61314352133203545011
745066645061251640
oct4361547257165437
9678106353501837
10157347112348447
114615459898756a
1215792b1168b167
1369a49cc7268a8
142abd8d87a56c7
15132ce5d3d1b67
hex8f1b3abceb1f

157347112348447 has 4 divisors (see below), whose sum is σ = 179825271255376. Its totient is φ = 134868953441520.

The previous prime is 157347112348427. The next prime is 157347112348477. The reversal of 157347112348447 is 744843211743751.

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

It is a cyclic number.

It is not a de Polignac number, because 157347112348447 - 219 = 157347111824159 is a prime.

It is a super-2 number, since 2×1573471123484472 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157347112348427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11239079453454 + ... + 11239079453467.

It is an arithmetic number, because the mean of its divisors is an integer number (44956317813844).

Almost surely, 2157347112348447 is an apocalyptic number.

157347112348447 is a deficient number, since it is larger than the sum of its proper divisors (22478158906929).

157347112348447 is an equidigital number, since it uses as much as digits as its factorization.

157347112348447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22478158906928.

The product of its digits is 63221760, while the sum is 61.

The spelling of 157347112348447 in words is "one hundred fifty-seven trillion, three hundred forty-seven billion, one hundred twelve million, three hundred forty-eight thousand, four hundred forty-seven".

Divisors: 1 7 22478158906921 157347112348447