Search a number
-
+
13124450122446 = 2313557857352493
BaseRepresentation
bin1011111011111100011000…
…1011111111101011001110
31201110200111111100210010210
42332333012023333223032
53210012333212404241
643525142242343250
72523132052236615
oct276770613775316
951420444323123
1013124450122446
114200058a38763
12157b73395ab26
13742826b04820
143353263b287c
1517b5e5177316
hexbefc62fface

13124450122446 has 64 divisors (see below), whose sum is σ = 28351921485888. Its totient is φ = 4026327180288.

The previous prime is 13124450122409. The next prime is 13124450122519. The reversal of 13124450122446 is 64422105442131.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37056976 + ... + 37409468.

It is an arithmetic number, because the mean of its divisors is an integer number (442998773217).

Almost surely, 213124450122446 is an apocalyptic number.

13124450122446 is an abundant number, since it is smaller than the sum of its proper divisors (15227471363442).

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

13124450122446 is a wasteful number, since it uses less digits than its factorization.

13124450122446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353925.

The product of its (nonzero) digits is 184320, while the sum is 39.

Adding to 13124450122446 its reverse (64422105442131), we get a palindrome (77546555564577).

The spelling of 13124450122446 in words is "thirteen trillion, one hundred twenty-four billion, four hundred fifty million, one hundred twenty-two thousand, four hundred forty-six".

Divisors: 1 2 3 6 13 26 39 78 557 857 1114 1671 1714 2571 3342 5142 7241 11141 14482 21723 22282 33423 43446 66846 352493 477349 704986 954698 1057479 1432047 2114958 2864094 4582409 6205537 9164818 12411074 13747227 18616611 27494454 37233222 196338601 302086501 392677202 589015803 604173002 906259503 1178031606 1812519006 2552401813 3927124513 5104803626 7657205439 7854249026 11781373539 15314410878 23562747078 168262181057 336524362114 504786543171 1009573086342 2187408353741 4374816707482 6562225061223 13124450122446