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42530132155 = 5711383106751
BaseRepresentation
bin100111100110111111…
…100101000010111011
311001202222221120022211
4213212333211002323
51144100203212110
631312120155551
73033636105250
oct474677450273
9131688846284
1042530132155
1117045172855
1282ab308bb7
13401a301b94
1420b6623427
15118dbb598a
hex9e6fe50bb

42530132155 has 16 divisors (see below), whose sum is σ = 58332708864. Its totient is φ = 29160684000.

The previous prime is 42530132131. The next prime is 42530132167. The reversal of 42530132155 is 55123103524.

It is not a de Polignac number, because 42530132155 - 27 = 42530132027 is a prime.

It is a super-2 number, since 2×425301321552 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 345030 + ... + 451780.

It is an arithmetic number, because the mean of its divisors is an integer number (3645794304).

Almost surely, 242530132155 is an apocalyptic number.

42530132155 is a deficient number, since it is larger than the sum of its proper divisors (15802576709).

42530132155 is a wasteful number, since it uses less digits than its factorization.

42530132155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118146.

The product of its (nonzero) digits is 18000, while the sum is 31.

Adding to 42530132155 its reverse (55123103524), we get a palindrome (97653235679).

The spelling of 42530132155 in words is "forty-two billion, five hundred thirty million, one hundred thirty-two thousand, one hundred fifty-five".

Divisors: 1 5 7 35 11383 56915 79681 106751 398405 533755 747257 3736285 1215146633 6075733165 8506026431 42530132155