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145677255186430 = 25119013146936501
BaseRepresentation
bin100001000111111000100001…
…000011000001011111111110
3201002210121110101110211010201
4201013320201003001133332
5123043234004311431210
61233455112424354114
742453556121121022
oct4107704103013776
9632717411424121
10145677255186430
1142465416833310
121440928a01593a
1363393c99bca16
1427d8b61316382
1511c95ee0b153a
hex847e210c17fe

145677255186430 has 32 divisors (see below), whose sum is σ = 286088895870048. Its totient is φ = 52967669520000.

The previous prime is 145677255186317. The next prime is 145677255186433. The reversal of 145677255186430 is 34681552776541.

It is a happy number.

It is a super-2 number, since 2×1456772551864302 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145677255186433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72476821 + ... + 74459680.

It is an arithmetic number, because the mean of its divisors is an integer number (8940277995939).

Almost surely, 2145677255186430 is an apocalyptic number.

145677255186430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145677255186430 is a deficient number, since it is larger than the sum of its proper divisors (140411640683618).

145677255186430 is a wasteful number, since it uses less digits than its factorization.

145677255186430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146945532.

The product of its (nonzero) digits is 169344000, while the sum is 64.

The spelling of 145677255186430 in words is "one hundred forty-five trillion, six hundred seventy-seven billion, two hundred fifty-five million, one hundred eighty-six thousand, four hundred thirty".

Divisors: 1 2 5 10 11 22 55 110 9013 18026 45065 90130 99143 198286 495715 991430 146936501 293873002 734682505 1469365010 1616301511 3232603022 8081507555 16163015110 1324338683513 2648677367026 6621693417565 13243386835130 14567725518643 29135451037286 72838627593215 145677255186430