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74404401503431 = 3713211522278403
BaseRepresentation
bin10000111010101110011111…
…111010111101110011000111
3100202102222202200002101100011
4100322232133322331303013
534223020203241102211
6422124524333131051
721446353300506526
oct2072563772756307
9322388680071304
1074404401503431
1121786802a2582a
1284180a3629a87
1332693c6cabb6c
1414532997544bd
158906689cd921
hex43ab9febdcc7

74404401503431 has 8 divisors (see below), whose sum is σ = 76473177903344. Its totient is φ = 72338669663040.

The previous prime is 74404401503429. The next prime is 74404401503489. The reversal of 74404401503431 is 13430510440447.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 74404401503431 - 21 = 74404401503429 is a prime.

It is a super-2 number, since 2×744044015034312 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74404401504431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 761090325 + ... + 761188078.

It is an arithmetic number, because the mean of its divisors is an integer number (9559147237918).

Almost surely, 274404401503431 is an apocalyptic number.

74404401503431 is a deficient number, since it is larger than the sum of its proper divisors (2068776399913).

74404401503431 is a wasteful number, since it uses less digits than its factorization.

74404401503431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1522279761.

The product of its (nonzero) digits is 322560, while the sum is 40.

Adding to 74404401503431 its reverse (13430510440447), we get a palindrome (87834911943878).

The spelling of 74404401503431 in words is "seventy-four trillion, four hundred four billion, four hundred one million, five hundred three thousand, four hundred thirty-one".

Divisors: 1 37 1321 48877 1522278403 56324300911 2010929770363 74404401503431