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61368255523060 = 22531178989124907
BaseRepresentation
bin11011111010000011010010…
…00100100010100011110100
322001021202012020112210120221
431331001221010202203310
531020424141403214220
6334304104250504124
715632465403122143
oct1575015104424364
9261252166483527
1061368255523060
1118610149414a92
126a716b4735044
1328320038704a5
14112234cd5575a
157164e0d9b9aa
hex37d0691228f4

61368255523060 has 48 divisors (see below), whose sum is σ = 129290392183680. Its totient is φ = 24467866317440.

The previous prime is 61368255523033. The next prime is 61368255523111. The reversal of 61368255523060 is 6032555286316.

It is a junction number, because it is equal to n+sod(n) for n = 61368255522989 and 61368255523007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 491249127 + ... + 491374033.

It is an arithmetic number, because the mean of its divisors is an integer number (2693549837160).

Almost surely, 261368255523060 is an apocalyptic number.

It is an amenable number.

61368255523060 is an abundant number, since it is smaller than the sum of its proper divisors (67922136660620).

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

61368255523060 is a wasteful number, since it uses less digits than its factorization.

61368255523060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204216 (or 204214 counting only the distinct ones).

The product of its (nonzero) digits is 7776000, while the sum is 52.

The spelling of 61368255523060 in words is "sixty-one trillion, three hundred sixty-eight billion, two hundred fifty-five million, five hundred twenty-three thousand, sixty".

Divisors: 1 2 4 5 10 20 311 622 1244 1555 3110 6220 78989 124907 157978 249814 315956 394945 499628 624535 789890 1249070 1579780 2498140 24565579 38846077 49131158 77692154 98262316 122827895 155384308 194230385 245655790 388460770 491311580 776921540 9866279023 19732558046 39465116092 49331395115 98662790230 197325580460 3068412776153 6136825552306 12273651104612 15342063880765 30684127761530 61368255523060