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42545254524 = 22383109391891
BaseRepresentation
bin100111100111111001…
…010001000001111100
311001211001101212022120
4213213321101001330
51144113041121044
631313420242540
73034211460633
oct474771210174
9131731355276
1042545254524
1117052761483
1282b43a0450
134020498126
1420b863c51a
1511901a1519
hex9e7e5107c

42545254524 has 48 divisors (see below), whose sum is σ = 101390298240. Its totient is φ = 13882311360.

The previous prime is 42545254429. The next prime is 42545254541.

It is a happy number.

42545254524 is nontrivially palindromic in base 10.

It is a super-3 number, since 3×425452545243 (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87382 + ... + 304509.

It is an arithmetic number, because the mean of its divisors is an integer number (2112297880).

Almost surely, 242545254524 is an apocalyptic number.

It is an amenable number.

42545254524 is an abundant number, since it is smaller than the sum of its proper divisors (58845043716).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42545254524 is a wasteful number, since it uses less digits than its factorization.

42545254524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392090 (or 392088 counting only the distinct ones).

The product of its digits is 1280000, while the sum is 42.

The spelling of 42545254524 in words is "forty-two billion, five hundred forty-five million, two hundred fifty-four thousand, five hundred twenty-four".

Divisors: 1 2 3 4 6 12 83 109 166 218 249 327 332 436 498 654 996 1308 9047 18094 27141 36188 54282 108564 391891 783782 1175673 1567564 2351346 4702692 32526953 42716119 65053906 85432238 97580859 128148357 130107812 170864476 195161718 256296714 390323436 512593428 3545437877 7090875754 10636313631 14181751508 21272627262 42545254524