Search a number
-
+
10309813140 = 22351115620929
BaseRepresentation
bin10011001101000001…
…10100001110010100
3222121111201202212010
421212200310032110
5132103303010030
64423011024220
7513325652154
oct114640641624
928544652763
1010309813140
114410691230
121bb889b070
13c83c42a63
146db36c764
154051a96b0
hex266834394

10309813140 has 48 divisors (see below), whose sum is σ = 31491794880. Its totient is φ = 2499348480.

The previous prime is 10309813139. The next prime is 10309813187. The reversal of 10309813140 is 4131890301.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 10309813098 and 10309813107.

It is a congruent 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, 7809805 + ... + 7811124.

It is an arithmetic number, because the mean of its divisors is an integer number (656079060).

Almost surely, 210309813140 is an apocalyptic number.

10309813140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10309813140 is an abundant number, since it is smaller than the sum of its proper divisors (21181981740).

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

10309813140 is a wasteful number, since it uses less digits than its factorization.

10309813140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15620952 (or 15620950 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 30.

The spelling of 10309813140 in words is "ten billion, three hundred nine million, eight hundred thirteen thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 11 12 15 20 22 30 33 44 55 60 66 110 132 165 220 330 660 15620929 31241858 46862787 62483716 78104645 93725574 156209290 171830219 187451148 234313935 312418580 343660438 468627870 515490657 687320876 859151095 937255740 1030981314 1718302190 2061962628 2577453285 3436604380 5154906570 10309813140