Search a number
-
+
127346390990 = 25713139941089
BaseRepresentation
bin111011010011001101…
…1111011011111001110
3110011200222200221101122
41312212123323133032
54041301134002430
6134300243040542
712125522314640
oct1664633733716
9404628627348
10127346390990
114a009799435
1220820070152
13c0161b18a0
146240cb0890
1534a4de3ee5
hex1da66fb7ce

127346390990 has 32 divisors (see below), whose sum is σ = 282121237440. Its totient is φ = 40303033344.

The previous prime is 127346390971. The next prime is 127346390999. The reversal of 127346390990 is 99093643721.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127346390999) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69969635 + ... + 69971454.

It is an arithmetic number, because the mean of its divisors is an integer number (8816288670).

Almost surely, 2127346390990 is an apocalyptic number.

127346390990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

127346390990 is an abundant number, since it is smaller than the sum of its proper divisors (154774846450).

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

127346390990 is a wasteful number, since it uses less digits than its factorization.

127346390990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139941116.

The product of its (nonzero) digits is 2204496, while the sum is 53.

The spelling of 127346390990 in words is "one hundred twenty-seven billion, three hundred forty-six million, three hundred ninety thousand, nine hundred ninety".

Divisors: 1 2 5 7 10 13 14 26 35 65 70 91 130 182 455 910 139941089 279882178 699705445 979587623 1399410890 1819234157 1959175246 3638468314 4897938115 9096170785 9795876230 12734639099 18192341570 25469278198 63673195495 127346390990