Search a number
-
+
7213825250972 = 2212291467417667
BaseRepresentation
bin110100011111001100101…
…1111011101011010011100
3221112122010212220011211222
41220332121133131122130
51421142403231012342
623201552514432512
71343116212624314
oct150763137353234
927478125804758
107213825250972
11233140332119a
12986107592738
13404350ca0882
141ad218502444
15c79ac788ed2
hex68f997dd69c

7213825250972 has 12 divisors (see below), whose sum is σ = 12634466121480. Its totient is φ = 3603977787696.

The previous prime is 7213825250893. The next prime is 7213825251001. The reversal of 7213825250972 is 2790525283127.

It is a happy number.

It is a super-2 number, since 2×72138252509722 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 733703918 + ... + 733713749.

It is an arithmetic number, because the mean of its divisors is an integer number (1052872176790).

Almost surely, 27213825250972 is an apocalyptic number.

It is an amenable number.

7213825250972 is a deficient number, since it is larger than the sum of its proper divisors (5420640870508).

7213825250972 is a wasteful number, since it uses less digits than its factorization.

7213825250972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1467418900 (or 1467418898 counting only the distinct ones).

The product of its (nonzero) digits is 4233600, while the sum is 53.

The spelling of 7213825250972 in words is "seven trillion, two hundred thirteen billion, eight hundred twenty-five million, two hundred fifty thousand, nine hundred seventy-two".

Divisors: 1 2 4 1229 2458 4916 1467417667 2934835334 5869670668 1803456312743 3606912625486 7213825250972