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61222702996 = 22713237992567
BaseRepresentation
bin111001000001001010…
…000100111110010100
312212000201022112221101
4321001022010332110
52000341002443441
644043022555444
74265104250320
oct710112047624
9185021275841
1061222702996
1123a6768aa04
12ba47438b84
135a08b701a0
142d6b012980
1518d4c75231
hexe41284f94

61222702996 has 96 divisors (see below), whose sum is σ = 139340759040. Its totient is φ = 22873428864.

The previous prime is 61222702921. The next prime is 61222702997. The reversal of 61222702996 is 69920722216.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61222702997) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 615105 + ... + 707671.

It is an arithmetic number, because the mean of its divisors is an integer number (1451466240).

Almost surely, 261222702996 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 61222702996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69670379520).

61222702996 is an abundant number, since it is smaller than the sum of its proper divisors (78118056044).

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

61222702996 is a wasteful number, since it uses less digits than its factorization.

61222702996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92693 (or 92691 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 46.

The spelling of 61222702996 in words is "sixty-one billion, two hundred twenty-two million, seven hundred two thousand, nine hundred ninety-six".

Divisors: 1 2 4 7 13 14 23 26 28 46 52 79 91 92 158 161 182 299 316 322 364 553 598 644 1027 1106 1196 1817 2054 2093 2212 3634 4108 4186 7189 7268 8372 12719 14378 23621 25438 28756 47242 50876 92567 94484 165347 185134 330694 370268 647969 661388 1203371 1295938 2129041 2406742 2591876 4258082 4813484 7312793 8423597 8516164 14625586 14903287 16847194 27677533 29251172 29806574 33694388 51189551 55355066 59613148 95066309 102379102 110710132 168194239 190132618 193742731 204758204 336388478 380265236 387485462 665464163 672776956 774970924 1177359673 1330928326 2186525107 2354719346 2661856652 4373050214 4709438692 8746100428 15305675749 30611351498 61222702996