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61926414012 = 2232171967101787
BaseRepresentation
bin111001101011000110…
…100001011010111100
312220211202110202222100
4321223012201122330
52003311130222022
644240521545100
74321410556041
oct715306413274
9186752422870
1061926414012
1124298934461
1210003045190
135abb8ab738
142dd66751c8
15192692c1ac
hexe6b1a16bc

61926414012 has 288 divisors, whose sum is σ = 179052007680. Its totient is φ = 17928345600.

The previous prime is 61926413987. The next prime is 61926414049. The reversal of 61926414012 is 21041462916.

61926414012 is a `hidden beast` number, since 6 + 1 + 9 + 2 + 641 + 4 + 0 + 1 + 2 = 666.

It is a super-2 number, since 2×619264140122 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 78686283 + ... + 78687069.

It is an arithmetic number, because the mean of its divisors is an integer number (621708360).

Almost surely, 261926414012 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 61926414012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89526003840).

61926414012 is an abundant number, since it is smaller than the sum of its proper divisors (117125593668).

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

61926414012 is a wasteful number, since it uses less digits than its factorization.

61926414012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001 (or 996 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

Adding to 61926414012 its reverse (21041462916), we get a palindrome (82967876928).

The spelling of 61926414012 in words is "sixty-one billion, nine hundred twenty-six million, four hundred fourteen thousand, twelve".