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404212010312 = 231153101858083
BaseRepresentation
bin1011110000111001110…
…10011100110101001000
31102122100020012122220202
411320130322130311020
523110311233312222
6505405322111332
741126515253315
oct5703472346510
91378306178822
10404212010312
11146475162060
126640994b548
132c16a160936
14157c7743d0c
15a7ab59b892
hex5e1ce9cd48

404212010312 has 64 divisors (see below), whose sum is σ = 850738800960. Its totient is φ = 178481056000.

The previous prime is 404212010281. The next prime is 404212010329. The reversal of 404212010312 is 213010212404.

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, 42023 + ... + 900105.

It is an arithmetic number, because the mean of its divisors is an integer number (13292793765).

Almost surely, 2404212010312 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 404212010312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (425369400480).

404212010312 is an abundant number, since it is smaller than the sum of its proper divisors (446526790648).

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

404212010312 is a wasteful number, since it uses less digits than its factorization.

404212010312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 858254 (or 858250 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 404212010312 its reverse (213010212404), we get a palindrome (617222222716).

The spelling of 404212010312 in words is "four hundred four billion, two hundred twelve million, ten thousand, three hundred twelve".

Divisors: 1 2 4 8 11 22 44 53 88 101 106 202 212 404 424 583 808 1111 1166 2222 2332 4444 4664 5353 8888 10706 21412 42824 58883 117766 235532 471064 858083 1716166 3432332 6864664 9438913 18877826 37755652 45478399 75511304 86666383 90956798 173332766 181913596 346665532 363827192 500262389 693331064 953330213 1000524778 1906660426 2001049556 3813320852 4002099112 4593318299 7626641704 9186636598 18373273196 36746546392 50526501289 101053002578 202106005156 404212010312