Search a number
-
+
53450709942 = 2375791219761
BaseRepresentation
bin110001110001111010…
…010001101110110110
312002222001221101202210
4301301322101232312
51333431340204232
640315510114250
73601362352410
oct616172215666
9162861841683
1053450709942
1120739594553
12a43864b986
13506a93c126
142830b3b9b0
1515cc7b75cc
hexc71e91bb6

53450709942 has 32 divisors (see below), whose sum is σ = 122194704384. Its totient is φ = 15268924800.

The previous prime is 53450709911. The next prime is 53450709943. The reversal of 53450709942 is 24990705435.

It is a junction number, because it is equal to n+sod(n) for n = 53450709891 and 53450709900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53450709943) 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, 133342 + ... + 353102.

It is an arithmetic number, because the mean of its divisors is an integer number (3818584512).

Almost surely, 253450709942 is an apocalyptic number.

53450709942 is an abundant number, since it is smaller than the sum of its proper divisors (68743994442).

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

53450709942 is a wasteful number, since it uses less digits than its factorization.

53450709942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225564.

The product of its (nonzero) digits is 1360800, while the sum is 48.

The spelling of 53450709942 in words is "fifty-three billion, four hundred fifty million, seven hundred nine thousand, nine hundred forty-two".

Divisors: 1 2 3 6 7 14 21 42 5791 11582 17373 34746 40537 81074 121611 219761 243222 439522 659283 1318566 1538327 3076654 4614981 9229962 1272635951 2545271902 3817907853 7635815706 8908451657 17816903314 26725354971 53450709942