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34431433040 = 2455352315527
BaseRepresentation
bin100000000100010001…
…011111100101010000
310021212120211000200202
4200010101133211100
51031003421324130
623452333034332
72326146231464
oct400421374520
9107776730622
1034431433040
1113669712294
12680b0259a8
1333294b2424
141948bc64a4
15d67bc1145
hex80445f950

34431433040 has 80 divisors (see below), whose sum is σ = 81724733568. Its totient is φ = 13486007808.

The previous prime is 34431433039. The next prime is 34431433081. The reversal of 34431433040 is 4033413443.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 34431432994 and 34431433012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2209757 + ... + 2225283.

Almost surely, 234431433040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 34431433040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40862366784).

34431433040 is an abundant number, since it is smaller than the sum of its proper divisors (47293300528).

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

34431433040 is a wasteful number, since it uses less digits than its factorization.

34431433040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16116 (or 16110 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 34431433040 its reverse (4033413443), we get a palindrome (38464846483).

The spelling of 34431433040 in words is "thirty-four billion, four hundred thirty-one million, four hundred thirty-three thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 40 53 80 106 212 265 424 523 530 848 1046 1060 2092 2120 2615 4184 4240 5230 8368 10460 15527 20920 27719 31054 41840 55438 62108 77635 110876 124216 138595 155270 221752 248432 277190 310540 443504 554380 621080 822931 1108760 1242160 1645862 2217520 3291724 4114655 6583448 8120621 8229310 13166896 16241242 16458620 32482484 32917240 40603105 64964968 65834480 81206210 129929936 162412420 324824840 430392913 649649680 860785826 1721571652 2151964565 3443143304 4303929130 6886286608 8607858260 17215716520 34431433040