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61969694834 = 2192331289829
BaseRepresentation
bin111001101101101011…
…101000000001110010
312220221202220200002202
4321231223220001302
52003403220213314
644245105343202
74322444500145
oct715553500162
9186852820082
1061969694834
1124310305a33
1210015637b02
135ac78536a8
142ddc30005c
15192a62b0de
hexe6dae8072

61969694834 has 96 divisors (see below), whose sum is σ = 106815024000. Its totient is φ = 26834353920.

The previous prime is 61969694833. The next prime is 61969694837. The reversal of 61969694834 is 43849696916.

61969694834 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Its product of digits (60466176) is a multiple of the sum of its prime factors (1024).

It is not an unprimeable number, because it can be changed into a prime (61969694833) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 74751932 + ... + 74752760.

It is an arithmetic number, because the mean of its divisors is an integer number (1112656500).

Almost surely, 261969694834 is an apocalyptic number.

61969694834 is a deficient number, since it is larger than the sum of its proper divisors (44845329166).

61969694834 is a wasteful number, since it uses less digits than its factorization.

61969694834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1024 (or 993 counting only the distinct ones).

The product of its digits is 60466176, while the sum is 65.

The spelling of 61969694834 in words is "sixty-one billion, nine hundred sixty-nine million, six hundred ninety-four thousand, eight hundred thirty-four".

Divisors: 1 2 19 23 31 38 46 62 89 178 437 589 713 829 874 961 1178 1426 1658 1691 1922 2047 2759 3382 4094 5518 13547 15751 18259 19067 22103 25699 27094 31502 36518 38134 38893 44206 51398 52421 63457 73781 77786 85529 104842 126914 147562 171058 362273 419957 488281 591077 724546 796669 839914 976562 1182154 1205683 1401839 1593338 1625051 1696963 1967167 2287211 2411366 2803678 3250102 3393926 3934334 4574422 11230463 15136711 18323387 22460926 30273422 32242297 36646774 37376173 43457009 52605853 64484594 70903541 74752346 86914018 105211706 141807082 348144353 696288706 999511207 1347167279 1630781443 1999022414 2694334558 3261562886 30984847417 61969694834