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42878516331441 = 3716767733180511
BaseRepresentation
bin10011011111111011011101…
…01111000000001110110001
312121211010221112020111121210
421233331232233000032301
521110010200140101231
6231110041331110333
712013604415130110
oct1157755657001661
9177733845214553
1042878516331441
11127317496a056a
1249861884423a9
131ac05717186cb
14a8348cdb7c77
154e557e0d9a46
hex26ff6ebc03b1

42878516331441 has 32 divisors (see below), whose sum is σ = 65731275767808. Its totient is φ = 24354796213440.

The previous prime is 42878516331419. The next prime is 42878516331461. The reversal of 42878516331441 is 14413361587824.

It is not a de Polignac number, because 42878516331441 - 211 = 42878516329393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42878516331461) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 237449376 + ... + 237629886.

It is an arithmetic number, because the mean of its divisors is an integer number (2054102367744).

Almost surely, 242878516331441 is an apocalyptic number.

It is an amenable number.

42878516331441 is a deficient number, since it is larger than the sum of its proper divisors (22852759436367).

42878516331441 is a wasteful number, since it uses less digits than its factorization.

42878516331441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248421.

The product of its digits is 15482880, while the sum is 57.

The spelling of 42878516331441 in words is "forty-two trillion, eight hundred seventy-eight billion, five hundred sixteen million, three hundred thirty-one thousand, four hundred forty-one".

Divisors: 1 3 7 21 167 501 1169 3507 67733 180511 203199 474131 541533 1263577 1422393 3790731 11311411 30145337 33934233 79179877 90436011 211017359 237539631 633052077 12226551563 36679654689 85585860941 256757582823 2041834111021 6125502333063 14292838777147 42878516331441