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61030883300 = 22525313784053
BaseRepresentation
bin111000110101101110…
…010101111111100100
312211112100101002210012
4320311232111333210
51444442401231200
644012011345352
74260254643242
oct706556257744
9184470332705
1061030883300
1123979384a32
12b9b3152258
1359a81bb3ca
142d4d75d792
1518c2ed4a35
hexe35b95fe4

61030883300 has 72 divisors (see below), whose sum is σ = 135922378536. Its totient is φ = 23776629760.

The previous prime is 61030883299. The next prime is 61030883327. The reversal of 61030883300 is 338803016.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 10052468644 + 50978414656 = 100262^2 + 225784^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 684074 + ... + 768126.

It is an arithmetic number, because the mean of its divisors is an integer number (1887810813).

Almost surely, 261030883300 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 61030883300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67961189268).

61030883300 is an abundant number, since it is smaller than the sum of its proper divisors (74891495236).

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

61030883300 is a wasteful number, since it uses less digits than its factorization.

61030883300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84257 (or 84250 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The spelling of 61030883300 in words is "sixty-one billion, thirty million, eight hundred eighty-three thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 53 100 106 137 212 265 274 530 548 685 1060 1325 1370 2650 2740 3425 5300 6850 7261 13700 14522 29044 36305 72610 84053 145220 168106 181525 336212 363050 420265 726100 840530 1681060 2101325 4202650 4454809 8405300 8909618 11515261 17819236 22274045 23030522 44548090 46061044 57576305 89096180 111370225 115152610 222740450 230305220 287881525 445480900 575763050 610308833 1151526100 1220617666 2441235332 3051544165 6103088330 12206176660 15257720825 30515441650 61030883300