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61119968 = 25713139151
BaseRepresentation
bin1110100100100…
…1110111100000
311021000012211112
43221021313200
5111121314333
610022002452
71341340220
oct351116740
9137005745
1061119968
1131556378
1218576428
13c87c980
148190080
155574948
hex3a49de0

61119968 has 96 divisors (see below), whose sum is σ = 150151680. Its totient is φ = 23846400.

The previous prime is 61119959. The next prime is 61120001. The reversal of 61119968 is 86991116.

It is a happy number.

61119968 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

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, 404693 + ... + 404843.

It is an arithmetic number, because the mean of its divisors is an integer number (1564080).

Almost surely, 261119968 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 61119968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75075840).

61119968 is an abundant number, since it is smaller than the sum of its proper divisors (89031712).

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

61119968 is a wasteful number, since it uses less digits than its factorization.

61119968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320 (or 312 counting only the distinct ones).

The product of its digits is 23328, while the sum is 41.

The square root of 61119968 is about 7817.9260676985. The cubic root of 61119968 is about 393.9076114468.

The spelling of 61119968 in words is "sixty-one million, one hundred nineteen thousand, nine hundred sixty-eight".

Divisors: 1 2 4 7 8 13 14 16 26 28 32 52 56 91 104 112 139 151 182 208 224 278 302 364 416 556 604 728 973 1057 1112 1208 1456 1807 1946 1963 2114 2224 2416 2912 3614 3892 3926 4228 4448 4832 7228 7784 7852 8456 12649 13741 14456 15568 15704 16912 20989 25298 27482 28912 31136 31408 33824 41978 50596 54964 57824 62816 83956 101192 109928 146923 167912 202384 219856 272857 293846 335824 404768 439712 545714 587692 671648 1091428 1175384 1909999 2182856 2350768 3819998 4365712 4701536 7639996 8731424 15279992 30559984 61119968