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15342971910544 = 245318093127253
BaseRepresentation
bin1101111101000101000001…
…1000111111100110010000
32000022202220002111122100001
43133101100120333212100
54002334401302114134
652344244115535344
73142331101265125
oct337212030774620
960282802448301
1015342971910544
114985a10720233
1218796a22ba554
13873ab3a2b995
143b0864b9874c
151b918c6a1414
hexdf45063f990

15342971910544 has 20 divisors (see below), whose sum is σ = 30287895023196. Its totient is φ = 7526740936832.

The previous prime is 15342971910479. The next prime is 15342971910547. The reversal of 15342971910544 is 44501917924351.

15342971910544 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 8598500582400 + 6744471328144 = 2932320^2 + 2597012^2 .

It is not an unprimeable number, because it can be changed into a prime (15342971910547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9046562779 + ... + 9046564474.

Almost surely, 215342971910544 is an apocalyptic number.

It is an amenable number.

15342971910544 is a deficient number, since it is larger than the sum of its proper divisors (14944923112652).

15342971910544 is a wasteful number, since it uses less digits than its factorization.

15342971910544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18093127314 (or 18093127308 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 55.

The spelling of 15342971910544 in words is "fifteen trillion, three hundred forty-two billion, nine hundred seventy-one million, nine hundred ten thousand, five hundred forty-four".

Divisors: 1 2 4 8 16 53 106 212 424 848 18093127253 36186254506 72372509012 144745018024 289490036048 958935744409 1917871488818 3835742977636 7671485955272 15342971910544