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145355665030 = 25142931016971
BaseRepresentation
bin1000011101011111011…
…1110110111010000110
3111220012002022212000021
42013113313312322012
54340142022240110
6150435300205354
713334022524032
oct2072767667206
9456162285007
10145355665030
1156710535594
122420739985a
131092630b464
14706ca331c2
153baaed02da
hex21d7df6e86

145355665030 has 16 divisors (see below), whose sum is σ = 261658759824. Its totient is φ = 58138140960.

The previous prime is 145355665027. The next prime is 145355665087. The reversal of 145355665030 is 30566553541.

It is a super-2 number, since 2×1453556650302 (a number of 23 digits) contains 22 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 (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 365556 + ... + 651415.

It is an arithmetic number, because the mean of its divisors is an integer number (16353672489).

Almost surely, 2145355665030 is an apocalyptic number.

145355665030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145355665030 is a deficient number, since it is larger than the sum of its proper divisors (116303094794).

145355665030 is a wasteful number, since it uses less digits than its factorization.

145355665030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1031271.

The product of its (nonzero) digits is 810000, while the sum is 43.

The spelling of 145355665030 in words is "one hundred forty-five billion, three hundred fifty-five million, six hundred sixty-five thousand, thirty".

Divisors: 1 2 5 10 14293 28586 71465 142930 1016971 2033942 5084855 10169710 14535566503 29071133006 72677832515 145355665030