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61023126424 = 231317194738651
BaseRepresentation
bin111000110101010000…
…110000001110011000
312211111210210000100111
4320311100300032120
51444433410021144
644011133214104
74260132005401
oct706520601630
9184453700314
1061023126424
1123974a67097
12b9b0631334
1359a6703840
142d4c7009a8
1518c24a1534
hexe35430398

61023126424 has 128 divisors (see below), whose sum is σ = 140260377600. Its totient is φ = 24577689600.

The previous prime is 61023126401. The next prime is 61023126433. The reversal of 61023126424 is 42462132016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1559499 + ... + 1598149.

It is an arithmetic number, because the mean of its divisors is an integer number (1095784200).

Almost surely, 261023126424 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 61023126424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70130188800).

61023126424 is an abundant number, since it is smaller than the sum of its proper divisors (79237251176).

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

61023126424 is a wasteful number, since it uses less digits than its factorization.

61023126424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38753 (or 38749 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

The spelling of 61023126424 in words is "sixty-one billion, twenty-three million, one hundred twenty-six thousand, four hundred twenty-four".

Divisors: 1 2 4 8 13 17 19 26 34 38 47 52 68 76 94 104 136 152 188 221 247 323 376 442 494 611 646 799 884 893 988 1222 1292 1598 1768 1786 1976 2444 2584 3196 3572 4199 4888 6392 7144 8398 10387 11609 15181 16796 20774 23218 30362 33592 38651 41548 46436 60724 77302 83096 92872 121448 154604 197353 309208 394706 502463 657067 734369 789412 1004926 1314134 1468738 1578824 1816597 2009852 2628268 2937476 3633194 4019704 5256536 5874952 7266388 8541871 9546797 12484273 14532776 17083742 19093594 23615761 24968546 30882149 34167484 34515343 38187188 47231522 49937092 61764298 68334968 69030686 76374376 94463044 99874184 123528596 138061372 162295549 188926088 247057192 276122744 324591098 401467937 448699459 586760831 649182196 802935874 897398918 1173521662 1298364392 1605871748 1794797836 2347043324 3211743496 3589595672 4694086648 7627890803 15255781606 30511563212 61023126424